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<div class="title">qwt_polar_magnifier.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>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * QwtPolar 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) 2008 Uwe Rathmann</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</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="l00006"></a><span class="lineno"> 6</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="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "qwt_polar_magnifier.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "qwt_polar_plot.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_polar_canvas.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "qwt_scale_div.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_point_polar.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="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qevent.h></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">class </span>QwtPolarMagnifier::PrivateData</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>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  PrivateData()</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  : unzoomKey( Qt::Key_Home )</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  , unzoomKeyModifiers( Qt::NoModifier )</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>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">int</span> unzoomKey;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">int</span> unzoomKeyModifiers;</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>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#ae18757a8ee2be73c4cf264720cb37d18"> 34</a></span> <a class="code" href="class_qwt_polar_magnifier.html#ae18757a8ee2be73c4cf264720cb37d18">QwtPolarMagnifier::QwtPolarMagnifier</a>( <a class="code" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a>* canvas )</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  : <a class="code" href="class_qwt_magnifier.html">QwtMagnifier</a>( canvas )</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  m_data = <span class="keyword">new</span> PrivateData();</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</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="l00041"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#ae8e07b7b25186ef3db390f2792e960d5"> 41</a></span> <a class="code" href="class_qwt_polar_magnifier.html#ae8e07b7b25186ef3db390f2792e960d5">QwtPolarMagnifier::~QwtPolarMagnifier</a>()</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">delete</span> m_data;</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>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#a87548a332156609548d036bce63239cf"> 54</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_magnifier.html#a87548a332156609548d036bce63239cf">QwtPolarMagnifier::setUnzoomKey</a>( <span class="keywordtype">int</span> key, <span class="keywordtype">int</span> modifiers )</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>  m_data->unzoomKey = key;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  m_data->unzoomKeyModifiers = modifiers;</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>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#a1182a9812b166a5a6125f34ac9bec6a2"> 67</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_magnifier.html#a1182a9812b166a5a6125f34ac9bec6a2">QwtPolarMagnifier::getUnzoomKey</a>( <span class="keywordtype">int</span>& key, <span class="keywordtype">int</span>& modifiers )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  key = m_data->unzoomKey;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  modifiers = m_data->unzoomKeyModifiers;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#ab7542ea6d40639e29fd5e802220922eb"> 74</a></span> <a class="code" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a>* <a class="code" href="class_qwt_polar_magnifier.html#ab7542ea6d40639e29fd5e802220922eb">QwtPolarMagnifier::canvas</a>()</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>  <span class="keywordflow">return</span> qobject_cast< QwtPolarCanvas* >( parent() );</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_polar_magnifier.html#a0a868ff6b9f697132109f42276bc90ea"> 80</a></span> <span class="keyword">const</span> <a class="code" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a>* <a class="code" href="class_qwt_polar_magnifier.html#ab7542ea6d40639e29fd5e802220922eb">QwtPolarMagnifier::canvas</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> qobject_cast< QwtPolarCanvas* >( parent() );</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="l00086"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#aabb702a524ca685d410005003c6fdf52"> 86</a></span> <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* <a class="code" href="class_qwt_polar_magnifier.html#aabb702a524ca685d410005003c6fdf52">QwtPolarMagnifier::plot</a>()</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a>* c = <a class="code" href="class_qwt_polar_magnifier.html#ab7542ea6d40639e29fd5e802220922eb">canvas</a>();</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> ( c )</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> c-><a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>();</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> NULL;</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="l00096"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#a50552ea78da101e78330e0a3fe40ebe7"> 96</a></span> <span class="keyword">const</span> <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* <a class="code" href="class_qwt_polar_magnifier.html#aabb702a524ca685d410005003c6fdf52">QwtPolarMagnifier::plot</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a>* c = <a class="code" href="class_qwt_polar_magnifier.html#ab7542ea6d40639e29fd5e802220922eb">canvas</a>();</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> ( c )</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> c-><a class="code" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a>();</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="keywordflow">return</span> NULL;</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>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#a0eaa92ae6e8a94df5063b0e76f7317e3"> 110</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_magnifier.html#a0eaa92ae6e8a94df5063b0e76f7317e3">QwtPolarMagnifier::widgetKeyPressEvent</a>( QKeyEvent* event )</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> key = <span class="keyword">event</span>->key();</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> state = <span class="keyword">event</span>->modifiers();</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> ( key == m_data->unzoomKey &&</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  state == m_data->unzoomKeyModifiers )</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="class_qwt_polar_magnifier.html#a7785d799a0fd09225baaefaa36de9671">unzoom</a>();</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04">QwtMagnifier::widgetKeyPressEvent</a>( event );</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
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<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#aa93767ff2c6f6d5a31887a5cf8617677"> 129</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_magnifier.html#aa93767ff2c6f6d5a31887a5cf8617677">QwtPolarMagnifier::rescale</a>( <span class="keywordtype">double</span> factor )</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  factor = qAbs( factor );</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> ( factor == 1.0 || factor == 0.0 )</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plt = <a class="code" href="class_qwt_polar_magnifier.html#aabb702a524ca685d410005003c6fdf52">plot</a>();</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> ( plt == NULL )</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</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"> 139</span>  <a class="code" href="class_qwt_point_polar.html">QwtPointPolar</a> zoomPos;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">double</span> newZoomFactor = plt-><a class="code" href="class_qwt_polar_plot.html#a89bee2cd103cf1fc2461b36b0e684fab">zoomFactor</a>() * factor;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> ( newZoomFactor >= 1.0 )</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  newZoomFactor = 1.0;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  zoomPos = plt-><a class="code" href="class_qwt_polar_plot.html#a3a08531627eb77aeb2b9bc251afd62b4">zoomPos</a>();</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">const</span> <span class="keywordtype">bool</span> autoReplot = plt-><a class="code" href="class_qwt_polar_plot.html#a8be00b2b174b6693e8b8b79d125b35d5">autoReplot</a>();</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  plt-><a class="code" href="class_qwt_polar_plot.html#ab129bbae133d55313ae1509598f5db82">setAutoReplot</a>( <span class="keyword">false</span> );</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>  plt-><a class="code" href="class_qwt_polar_plot.html#a89a033c97d6301c70a5df054b5d27de9">zoom</a>( zoomPos, newZoomFactor );</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"> 152</span>  plt-><a class="code" href="class_qwt_polar_plot.html#ab129bbae133d55313ae1509598f5db82">setAutoReplot</a>( autoReplot );</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  plt-><a class="code" href="class_qwt_polar_plot.html#a85e55f95073ed7370e601634990ac888">replot</a>();</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</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="l00157"></a><span class="lineno"><a class="line" href="class_qwt_polar_magnifier.html#a7785d799a0fd09225baaefaa36de9671"> 157</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_magnifier.html#a7785d799a0fd09225baaefaa36de9671">QwtPolarMagnifier::unzoom</a>()</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> {</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="class_qwt_polar_plot.html">QwtPolarPlot</a>* plt = <a class="code" href="class_qwt_polar_magnifier.html#aabb702a524ca685d410005003c6fdf52">plot</a>();</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> autoReplot = plt-><a class="code" href="class_qwt_polar_plot.html#a8be00b2b174b6693e8b8b79d125b35d5">autoReplot</a>();</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  plt-><a class="code" href="class_qwt_polar_plot.html#ab129bbae133d55313ae1509598f5db82">setAutoReplot</a>( <span class="keyword">false</span> );</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  plt-><a class="code" href="class_qwt_polar_plot.html#a43f40adc59f7acb4f609e48be2327ade">unzoom</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>  plt-><a class="code" href="class_qwt_polar_plot.html#ab129bbae133d55313ae1509598f5db82">setAutoReplot</a>( autoReplot );</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  plt-><a class="code" href="class_qwt_polar_plot.html#a85e55f95073ed7370e601634990ac888">replot</a>();</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</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="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#if QWT_MOC_INCLUDE</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor">#include "moc_qwt_polar_magnifier.cpp"</span></div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclass_qwt_magnifier_html"><div class="ttname"><a href="class_qwt_magnifier.html">QwtMagnifier</a></div><div class="ttdoc">QwtMagnifier provides zooming, by magnifying in steps.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8h_source.html#l00027">qwt_magnifier.h:28</a></div></div>
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<div class="ttc" id="aclass_qwt_magnifier_html_a382cec084a2bfc0610ca500121205f04"><div class="ttname"><a href="class_qwt_magnifier.html#a382cec084a2bfc0610ca500121205f04">QwtMagnifier::widgetKeyPressEvent</a></div><div class="ttdeci">virtual void widgetKeyPressEvent(QKeyEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__magnifier_8cpp_source.html#l00473">qwt_magnifier.cpp:473</a></div></div>
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<div class="ttc" id="aclass_qwt_point_polar_html"><div class="ttname"><a href="class_qwt_point_polar.html">QwtPointPolar</a></div><div class="ttdoc">A point in polar coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__polar_8h_source.html#l00028">qwt_point_polar.h:29</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_canvas_html"><div class="ttname"><a href="class_qwt_polar_canvas.html">QwtPolarCanvas</a></div><div class="ttdoc">Canvas of a QwtPolarPlot.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8h_source.html#l00027">qwt_polar_canvas.h:28</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_canvas_html_a2f3dc31a8c28390e3a7ec13cab60250e"><div class="ttname"><a href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">QwtPolarCanvas::plot</a></div><div class="ttdeci">QwtPolarPlot * plot()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__canvas_8cpp_source.html#l00097">qwt_polar_canvas.cpp:97</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_a0eaa92ae6e8a94df5063b0e76f7317e3"><div class="ttname"><a href="class_qwt_polar_magnifier.html#a0eaa92ae6e8a94df5063b0e76f7317e3">QwtPolarMagnifier::widgetKeyPressEvent</a></div><div class="ttdeci">virtual void widgetKeyPressEvent(QKeyEvent *) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00110">qwt_polar_magnifier.cpp:110</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_a1182a9812b166a5a6125f34ac9bec6a2"><div class="ttname"><a href="class_qwt_polar_magnifier.html#a1182a9812b166a5a6125f34ac9bec6a2">QwtPolarMagnifier::getUnzoomKey</a></div><div class="ttdeci">void getUnzoomKey(int &key, int &modifiers) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00067">qwt_polar_magnifier.cpp:67</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_a7785d799a0fd09225baaefaa36de9671"><div class="ttname"><a href="class_qwt_polar_magnifier.html#a7785d799a0fd09225baaefaa36de9671">QwtPolarMagnifier::unzoom</a></div><div class="ttdeci">void unzoom()</div><div class="ttdoc">Unzoom the plot widget.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00157">qwt_polar_magnifier.cpp:157</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_a87548a332156609548d036bce63239cf"><div class="ttname"><a href="class_qwt_polar_magnifier.html#a87548a332156609548d036bce63239cf">QwtPolarMagnifier::setUnzoomKey</a></div><div class="ttdeci">void setUnzoomKey(int key, int modifiers)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00054">qwt_polar_magnifier.cpp:54</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_aa93767ff2c6f6d5a31887a5cf8617677"><div class="ttname"><a href="class_qwt_polar_magnifier.html#aa93767ff2c6f6d5a31887a5cf8617677">QwtPolarMagnifier::rescale</a></div><div class="ttdeci">virtual void rescale(double factor) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00129">qwt_polar_magnifier.cpp:129</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_aabb702a524ca685d410005003c6fdf52"><div class="ttname"><a href="class_qwt_polar_magnifier.html#aabb702a524ca685d410005003c6fdf52">QwtPolarMagnifier::plot</a></div><div class="ttdeci">QwtPolarPlot * plot()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00086">qwt_polar_magnifier.cpp:86</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_ab7542ea6d40639e29fd5e802220922eb"><div class="ttname"><a href="class_qwt_polar_magnifier.html#ab7542ea6d40639e29fd5e802220922eb">QwtPolarMagnifier::canvas</a></div><div class="ttdeci">QwtPolarCanvas * canvas()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00074">qwt_polar_magnifier.cpp:74</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_ae18757a8ee2be73c4cf264720cb37d18"><div class="ttname"><a href="class_qwt_polar_magnifier.html#ae18757a8ee2be73c4cf264720cb37d18">QwtPolarMagnifier::QwtPolarMagnifier</a></div><div class="ttdeci">QwtPolarMagnifier(QwtPolarCanvas *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00034">qwt_polar_magnifier.cpp:34</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_magnifier_html_ae8e07b7b25186ef3db390f2792e960d5"><div class="ttname"><a href="class_qwt_polar_magnifier.html#ae8e07b7b25186ef3db390f2792e960d5">QwtPolarMagnifier::~QwtPolarMagnifier</a></div><div class="ttdeci">virtual ~QwtPolarMagnifier()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__magnifier_8cpp_source.html#l00041">qwt_polar_magnifier.cpp:41</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html"><div class="ttname"><a href="class_qwt_polar_plot.html">QwtPolarPlot</a></div><div class="ttdoc">A plotting widget, displaying a polar coordinate system.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8h_source.html#l00046">qwt_polar_plot.h:47</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html_a3a08531627eb77aeb2b9bc251afd62b4"><div class="ttname"><a href="class_qwt_polar_plot.html#a3a08531627eb77aeb2b9bc251afd62b4">QwtPolarPlot::zoomPos</a></div><div class="ttdeci">QwtPointPolar zoomPos() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00682">qwt_polar_plot.cpp:682</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html_a43f40adc59f7acb4f609e48be2327ade"><div class="ttname"><a href="class_qwt_polar_plot.html#a43f40adc59f7acb4f609e48be2327ade">QwtPolarPlot::unzoom</a></div><div class="ttdeci">void unzoom()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00668">qwt_polar_plot.cpp:668</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html_a85e55f95073ed7370e601634990ac888"><div class="ttname"><a href="class_qwt_polar_plot.html#a85e55f95073ed7370e601634990ac888">QwtPolarPlot::replot</a></div><div class="ttdeci">virtual void replot()</div><div class="ttdoc">Redraw the plot.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00899">qwt_polar_plot.cpp:899</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html_a89a033c97d6301c70a5df054b5d27de9"><div class="ttname"><a href="class_qwt_polar_plot.html#a89a033c97d6301c70a5df054b5d27de9">QwtPolarPlot::zoom</a></div><div class="ttdeci">void zoom(const QwtPointPolar &, double factor)</div><div class="ttdoc">Translate and in/decrease the zoom factor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00651">qwt_polar_plot.cpp:651</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html_a89bee2cd103cf1fc2461b36b0e684fab"><div class="ttname"><a href="class_qwt_polar_plot.html#a89bee2cd103cf1fc2461b36b0e684fab">QwtPolarPlot::zoomFactor</a></div><div class="ttdeci">double zoomFactor() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00691">qwt_polar_plot.cpp:691</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html_a8be00b2b174b6693e8b8b79d125b35d5"><div class="ttname"><a href="class_qwt_polar_plot.html#a8be00b2b174b6693e8b8b79d125b35d5">QwtPolarPlot::autoReplot</a></div><div class="ttdeci">bool autoReplot() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00348">qwt_polar_plot.cpp:348</a></div></div>
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<div class="ttc" id="aclass_qwt_polar_plot_html_ab129bbae133d55313ae1509598f5db82"><div class="ttname"><a href="class_qwt_polar_plot.html#ab129bbae133d55313ae1509598f5db82">QwtPolarPlot::setAutoReplot</a></div><div class="ttdeci">void setAutoReplot(bool tf=true)</div><div class="ttdoc">Set or reset the autoReplot option.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__polar__plot_8cpp_source.html#l00342">qwt_polar_plot.cpp:342</a></div></div>
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