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<div class="title">qwt_vectorfield_symbol.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
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<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>
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<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>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "qwt_vectorfield_symbol.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <qpainter.h></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <qpainterpath.h></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_symbol.html#a0180db369ed4cc9ce379f9f87259e0ba"> 16</a></span> <a class="code" href="class_qwt_vector_field_symbol.html#a0180db369ed4cc9ce379f9f87259e0ba">QwtVectorFieldSymbol::QwtVectorFieldSymbol</a>()</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> }</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_symbol.html#aa058379de261ea46836806f7ba1e95b8"> 21</a></span> <a class="code" href="class_qwt_vector_field_symbol.html#aa058379de261ea46836806f7ba1e95b8">QwtVectorFieldSymbol::~QwtVectorFieldSymbol</a>()</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> }</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">class </span>QwtVectorFieldArrow::PrivateData</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  PrivateData( qreal headW, qreal tailW )</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  : headWidth( headW )</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  , tailWidth( tailW )</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  , <a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a>( headW + 4.0 )</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">/*</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> Arrow is drawn horizontally, pointing into positive x direction</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> with tip at 0,0.</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  path.lineTo( -headWidth, headWidth );</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  path.lineTo( -headWidth, tailWidth );</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  path.lineTo( -<a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a>, tailWidth );</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  path.lineTo( -<a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a>, -tailWidth );</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  path.lineTo( -headWidth, -tailWidth );</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  path.lineTo( -headWidth, -headWidth );</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  path.closeSubpath();</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">void</span> <a class="code" href="class_qwt_vector_field_arrow.html#ac05cbe0b89b5227e22822b1c6aa5ca16">setLength</a>( qreal l )</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a> = qMax( l, headWidth );</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  path.setElementPositionAt( 3, -<a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a>, tailWidth );</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  path.setElementPositionAt( 4, -<a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a>, -tailWidth );</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> qreal headWidth;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> qreal tailWidth;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  qreal <a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  QPainterPath path;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> };</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_arrow.html#abda1679eac6d7b4b8b6cc635ba3b4925"> 74</a></span> <a class="code" href="class_qwt_vector_field_arrow.html#abda1679eac6d7b4b8b6cc635ba3b4925">QwtVectorFieldArrow::QwtVectorFieldArrow</a>( qreal headWidth, qreal tailWidth )</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  m_data = <span class="keyword">new</span> PrivateData( headWidth, tailWidth );</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_arrow.html#af8fb0fb191e7b17d0fbdb0451d084aff"> 80</a></span> <a class="code" href="class_qwt_vector_field_arrow.html#af8fb0fb191e7b17d0fbdb0451d084aff">QwtVectorFieldArrow::~QwtVectorFieldArrow</a>()</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">delete</span> m_data;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_arrow.html#ac05cbe0b89b5227e22822b1c6aa5ca16"> 85</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_vector_field_arrow.html#ac05cbe0b89b5227e22822b1c6aa5ca16">QwtVectorFieldArrow::setLength</a>( qreal length )</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  m_data->setLength( <a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">length</a> );</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d"> 90</a></span> qreal <a class="code" href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">QwtVectorFieldArrow::length</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> m_data->length;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_arrow.html#a460c0ee1fed46ffd57f0709e9ea1da55"> 95</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_vector_field_arrow.html#a460c0ee1fed46ffd57f0709e9ea1da55">QwtVectorFieldArrow::paint</a>( QPainter* painter )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  painter->drawPath( m_data->path );</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">class </span>QwtVectorFieldThinArrow::PrivateData</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> {</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  PrivateData( qreal headW )</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  : headWidth( headW )</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  , <a class="code" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">length</a>( headW + 4.0 )</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  path.lineTo( -headWidth, headWidth * 0.6 );</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  path.moveTo( 0, 0 );</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  path.lineTo( -headWidth, -headWidth * 0.6 );</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  path.moveTo( 0, 0 );</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  path.lineTo( -<a class="code" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">length</a>, 0 );</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> qreal headWidth;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  qreal <a class="code" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">length</a>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  QPainterPath path;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> };</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
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<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_thin_arrow.html#a13f7dbc749b7da2c619300ccd139c710"> 128</a></span> <a class="code" href="class_qwt_vector_field_thin_arrow.html#a13f7dbc749b7da2c619300ccd139c710">QwtVectorFieldThinArrow::QwtVectorFieldThinArrow</a>( qreal headWidth )</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  m_data = <span class="keyword">new</span> PrivateData( headWidth );</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
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<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_thin_arrow.html#aa75d54c5f39ea7ca5a611a872ac4e022"> 134</a></span> <a class="code" href="class_qwt_vector_field_thin_arrow.html#aa75d54c5f39ea7ca5a611a872ac4e022">QwtVectorFieldThinArrow::~QwtVectorFieldThinArrow</a>()</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">delete</span> m_data;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
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<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_thin_arrow.html#a5f7cf166cd4827a48749544d467df750"> 139</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_vector_field_thin_arrow.html#a5f7cf166cd4827a48749544d467df750">QwtVectorFieldThinArrow::setLength</a>( qreal length )</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> {</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  m_data->length = <a class="code" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">length</a>;</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> qreal headWidth = qMin( m_data->headWidth, <a class="code" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">length</a> / 3.0 );</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  QPainterPath& path = m_data->path;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  path.setElementPositionAt( 1, -headWidth, headWidth * 0.6 );</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  path.setElementPositionAt( 3, -headWidth, -headWidth * 0.6 );</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  path.setElementPositionAt( 5, -<a class="code" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">length</a>, 0 );</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc"> 152</a></span> qreal <a class="code" href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">QwtVectorFieldThinArrow::length</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> m_data->length;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> }</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="class_qwt_vector_field_thin_arrow.html#a84258ee282f5de01d2827a7704df39fb"> 157</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_vector_field_thin_arrow.html#a84258ee282f5de01d2827a7704df39fb">QwtVectorFieldThinArrow::paint</a>(QPainter* p)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  p->drawPath( m_data->path );</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }</div>
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<div class="ttc" id="aclass_qwt_vector_field_arrow_html_a460c0ee1fed46ffd57f0709e9ea1da55"><div class="ttname"><a href="class_qwt_vector_field_arrow.html#a460c0ee1fed46ffd57f0709e9ea1da55">QwtVectorFieldArrow::paint</a></div><div class="ttdeci">virtual void paint(QPainter *) const override</div><div class="ttdoc">Draw the symbol/arrow.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00095">qwt_vectorfield_symbol.cpp:95</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_arrow_html_abda1679eac6d7b4b8b6cc635ba3b4925"><div class="ttname"><a href="class_qwt_vector_field_arrow.html#abda1679eac6d7b4b8b6cc635ba3b4925">QwtVectorFieldArrow::QwtVectorFieldArrow</a></div><div class="ttdeci">QwtVectorFieldArrow(qreal headWidth=6.0, qreal tailWidth=1.0)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00074">qwt_vectorfield_symbol.cpp:74</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_arrow_html_ac05cbe0b89b5227e22822b1c6aa5ca16"><div class="ttname"><a href="class_qwt_vector_field_arrow.html#ac05cbe0b89b5227e22822b1c6aa5ca16">QwtVectorFieldArrow::setLength</a></div><div class="ttdeci">virtual void setLength(qreal length) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00085">qwt_vectorfield_symbol.cpp:85</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_arrow_html_addc705d50c81a4f2d0437343bd059d7d"><div class="ttname"><a href="class_qwt_vector_field_arrow.html#addc705d50c81a4f2d0437343bd059d7d">QwtVectorFieldArrow::length</a></div><div class="ttdeci">virtual qreal length() const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00090">qwt_vectorfield_symbol.cpp:90</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_arrow_html_af8fb0fb191e7b17d0fbdb0451d084aff"><div class="ttname"><a href="class_qwt_vector_field_arrow.html#af8fb0fb191e7b17d0fbdb0451d084aff">QwtVectorFieldArrow::~QwtVectorFieldArrow</a></div><div class="ttdeci">virtual ~QwtVectorFieldArrow() override</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00080">qwt_vectorfield_symbol.cpp:80</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_symbol_html_a0180db369ed4cc9ce379f9f87259e0ba"><div class="ttname"><a href="class_qwt_vector_field_symbol.html#a0180db369ed4cc9ce379f9f87259e0ba">QwtVectorFieldSymbol::QwtVectorFieldSymbol</a></div><div class="ttdeci">QwtVectorFieldSymbol()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00016">qwt_vectorfield_symbol.cpp:16</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_symbol_html_aa058379de261ea46836806f7ba1e95b8"><div class="ttname"><a href="class_qwt_vector_field_symbol.html#aa058379de261ea46836806f7ba1e95b8">QwtVectorFieldSymbol::~QwtVectorFieldSymbol</a></div><div class="ttdeci">virtual ~QwtVectorFieldSymbol()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00021">qwt_vectorfield_symbol.cpp:21</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_thin_arrow_html_a13f7dbc749b7da2c619300ccd139c710"><div class="ttname"><a href="class_qwt_vector_field_thin_arrow.html#a13f7dbc749b7da2c619300ccd139c710">QwtVectorFieldThinArrow::QwtVectorFieldThinArrow</a></div><div class="ttdeci">QwtVectorFieldThinArrow(qreal headWidth=6.0)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00128">qwt_vectorfield_symbol.cpp:128</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_thin_arrow_html_a5f7cf166cd4827a48749544d467df750"><div class="ttname"><a href="class_qwt_vector_field_thin_arrow.html#a5f7cf166cd4827a48749544d467df750">QwtVectorFieldThinArrow::setLength</a></div><div class="ttdeci">virtual void setLength(qreal length) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00139">qwt_vectorfield_symbol.cpp:139</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_thin_arrow_html_a84258ee282f5de01d2827a7704df39fb"><div class="ttname"><a href="class_qwt_vector_field_thin_arrow.html#a84258ee282f5de01d2827a7704df39fb">QwtVectorFieldThinArrow::paint</a></div><div class="ttdeci">virtual void paint(QPainter *) const override</div><div class="ttdoc">Draw the symbol/arrow.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00157">qwt_vectorfield_symbol.cpp:157</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_thin_arrow_html_aa75d54c5f39ea7ca5a611a872ac4e022"><div class="ttname"><a href="class_qwt_vector_field_thin_arrow.html#aa75d54c5f39ea7ca5a611a872ac4e022">QwtVectorFieldThinArrow::~QwtVectorFieldThinArrow</a></div><div class="ttdeci">virtual ~QwtVectorFieldThinArrow() override</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00134">qwt_vectorfield_symbol.cpp:134</a></div></div>
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<div class="ttc" id="aclass_qwt_vector_field_thin_arrow_html_ae7db134fafc5b97ecc8a712f5b986acc"><div class="ttname"><a href="class_qwt_vector_field_thin_arrow.html#ae7db134fafc5b97ecc8a712f5b986acc">QwtVectorFieldThinArrow::length</a></div><div class="ttdeci">virtual qreal length() const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__vectorfield__symbol_8cpp_source.html#l00152">qwt_vectorfield_symbol.cpp:152</a></div></div>
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