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223 lines
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<div class="title">qwt_dial_needle.h</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>
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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">#ifndef QWT_DIAL_NEEDLE_H</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define QWT_DIAL_NEEDLE_H</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_global.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qpalette.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">class </span>QPainter;</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="l00027"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html"> 27</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a>();</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a>();</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="keyword">virtual</span> <span class="keywordtype">void</span> setPalette( <span class="keyword">const</span> QPalette& );</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">const</span> QPalette& palette() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> draw( QPainter*, <span class="keyword">const</span> QPointF& center,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">double</span> length, <span class="keywordtype">double</span> direction,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  QPalette::ColorGroup = QPalette::Active ) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="class_qwt_dial_needle.html#a1e4fee366fec1838edc18890d9957f2b"> 56</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_needle.html#a1e4fee366fec1838edc18890d9957f2b">drawNeedle</a>( QPainter* painter,</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">double</span> length, QPalette::ColorGroup colorGroup ) <span class="keyword">const</span> = 0;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawKnob( QPainter*, <span class="keywordtype">double</span> width,</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> QBrush&, <span class="keywordtype">bool</span> sunken ) <span class="keyword">const</span>;</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>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  Q_DISABLE_COPY(<a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a>)</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  QPalette m_palette;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> };</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html"> 81</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_dial_simple_needle.html">QwtDialSimpleNeedle</a> : <span class="keyword">public</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584"> 85</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584">Style</a></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="l00088"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584a27ace220f0a5c6abd061c85bbdc9a663"> 88</a></span>  <a class="code" href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584a27ace220f0a5c6abd061c85bbdc9a663">Arrow</a>,</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="l00091"></a><span class="lineno"> 91</span>  Ray</div>
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<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584a580980e68ef26fc7d35962cf6f12a4b2"> 92</a></span>  };</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>  <a class="code" href="class_qwt_dial_simple_needle.html">QwtDialSimpleNeedle</a>( Style, <span class="keywordtype">bool</span> hasKnob = <span class="keyword">true</span>,</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> QColor& mid = Qt::gray, <span class="keyword">const</span> QColor& base = Qt::darkGray );</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">void</span> setWidth( <span class="keywordtype">double</span> width );</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">double</span> width() <span class="keyword">const</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">protected</span>:</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawNeedle( QPainter*, <span class="keywordtype">double</span> length,</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  QPalette::ColorGroup ) <span class="keyword">const</span> QWT_OVERRIDE;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Style m_style;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">bool</span> m_hasKnob;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">double</span> m_width;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> };</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="class_qwt_compass_magnet_needle.html"> 127</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_compass_magnet_needle.html">QwtCompassMagnetNeedle</a> : <span class="keyword">public</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> {</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5"> 131</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5">Style</a></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_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5ad2ba960c4dae88e36da39f6b62798f3b"> 134</a></span>  <a class="code" href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5ad2ba960c4dae88e36da39f6b62798f3b">TriangleStyle</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="l00137"></a><span class="lineno"> 137</span>  ThinStyle</div>
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<div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5ab63a2dd26ef14c2aaf9763bc24a8bdac"> 138</a></span>  };</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="class_qwt_compass_magnet_needle.html">QwtCompassMagnetNeedle</a>( Style = TriangleStyle,</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> QColor& light = Qt::white, <span class="keyword">const</span> QColor& dark = Qt::red );</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">protected</span>:</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawNeedle( QPainter*,</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">double</span> length, QPalette::ColorGroup ) <span class="keyword">const</span> QWT_OVERRIDE;</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>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  Style m_style;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> };</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="l00164"></a><span class="lineno"><a class="line" href="class_qwt_compass_wind_arrow.html"> 164</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_compass_wind_arrow.html">QwtCompassWindArrow</a> : <span class="keyword">public</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> {</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8"> 168</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">Style</a></div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div>
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<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc"> 171</a></span>  <a class="code" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc">Style1</a>,</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  Style2</div>
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<div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a44a462b3f0fa85bf3fa8dc421484e529"> 175</a></span>  };</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="class_qwt_compass_wind_arrow.html">QwtCompassWindArrow</a>( Style, <span class="keyword">const</span> QColor& light = Qt::white,</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">const</span> QColor& dark = Qt::gray );</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawNeedle( QPainter*,</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">double</span> length, QPalette::ColorGroup ) <span class="keyword">const</span> QWT_OVERRIDE;</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  Style m_style;</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> };</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclass_qwt_compass_magnet_needle_html"><div class="ttname"><a href="class_qwt_compass_magnet_needle.html">QwtCompassMagnetNeedle</a></div><div class="ttdoc">A magnet needle for compass widgets.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00127">qwt_dial_needle.h:128</a></div></div>
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<div class="ttc" id="aclass_qwt_compass_magnet_needle_html_aee1d882c6ec8b680b94b59b5710a92a5"><div class="ttname"><a href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5">QwtCompassMagnetNeedle::Style</a></div><div class="ttdeci">Style</div><div class="ttdoc">Style of the needle.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00131">qwt_dial_needle.h:132</a></div></div>
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<div class="ttc" id="aclass_qwt_compass_magnet_needle_html_aee1d882c6ec8b680b94b59b5710a92a5ad2ba960c4dae88e36da39f6b62798f3b"><div class="ttname"><a href="class_qwt_compass_magnet_needle.html#aee1d882c6ec8b680b94b59b5710a92a5ad2ba960c4dae88e36da39f6b62798f3b">QwtCompassMagnetNeedle::TriangleStyle</a></div><div class="ttdeci">@ TriangleStyle</div><div class="ttdoc">A needle with a triangular shape.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00134">qwt_dial_needle.h:134</a></div></div>
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<div class="ttc" id="aclass_qwt_compass_wind_arrow_html"><div class="ttname"><a href="class_qwt_compass_wind_arrow.html">QwtCompassWindArrow</a></div><div class="ttdoc">An indicator for the wind direction.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00164">qwt_dial_needle.h:165</a></div></div>
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<div class="ttc" id="aclass_qwt_compass_wind_arrow_html_a55f11e28c9d87c0fb7c306ccd174f2a8"><div class="ttname"><a href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">QwtCompassWindArrow::Style</a></div><div class="ttdeci">Style</div><div class="ttdoc">Style of the arrow.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00168">qwt_dial_needle.h:169</a></div></div>
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<div class="ttc" id="aclass_qwt_compass_wind_arrow_html_a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc"><div class="ttname"><a href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc">QwtCompassWindArrow::Style1</a></div><div class="ttdeci">@ Style1</div><div class="ttdoc">A needle pointing to the center.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00171">qwt_dial_needle.h:171</a></div></div>
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<div class="ttc" id="aclass_qwt_dial_needle_html"><div class="ttname"><a href="class_qwt_dial_needle.html">QwtDialNeedle</a></div><div class="ttdoc">Base class for needles that can be used in a QwtDial.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00027">qwt_dial_needle.h:28</a></div></div>
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<div class="ttc" id="aclass_qwt_dial_needle_html_a1e4fee366fec1838edc18890d9957f2b"><div class="ttname"><a href="class_qwt_dial_needle.html#a1e4fee366fec1838edc18890d9957f2b">QwtDialNeedle::drawNeedle</a></div><div class="ttdeci">virtual void drawNeedle(QPainter *painter, double length, QPalette::ColorGroup colorGroup) const =0</div><div class="ttdoc">Draw the needle.</div></div>
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<div class="ttc" id="aclass_qwt_dial_simple_needle_html"><div class="ttname"><a href="class_qwt_dial_simple_needle.html">QwtDialSimpleNeedle</a></div><div class="ttdoc">A needle for dial widgets.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00081">qwt_dial_needle.h:82</a></div></div>
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<div class="ttc" id="aclass_qwt_dial_simple_needle_html_ad28821489e04f1fd942e5bebc8a60584"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584">QwtDialSimpleNeedle::Style</a></div><div class="ttdeci">Style</div><div class="ttdoc">Style of the needle.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00085">qwt_dial_needle.h:86</a></div></div>
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<div class="ttc" id="aclass_qwt_dial_simple_needle_html_ad28821489e04f1fd942e5bebc8a60584a27ace220f0a5c6abd061c85bbdc9a663"><div class="ttname"><a href="class_qwt_dial_simple_needle.html#ad28821489e04f1fd942e5bebc8a60584a27ace220f0a5c6abd061c85bbdc9a663">QwtDialSimpleNeedle::Arrow</a></div><div class="ttdeci">@ Arrow</div><div class="ttdoc">Arrow.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dial__needle_8h_source.html#l00088">qwt_dial_needle.h:88</a></div></div>
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