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 <span id="projectnumber">6.2.0</span>
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<div class="title">qwt_plot_glcanvas.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_plot_glcanvas.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_plot.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "qwt_painter.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qcoreevent.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qpainter.h></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <qpainterpath.h></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <qglframebufferobject.h></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> <span class="keyword">namespace</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">class </span>QwtPlotGLCanvasFormat : <span class="keyword">public</span> QGLFormat</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>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  QwtPlotGLCanvasFormat()</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  : QGLFormat( QGLFormat::defaultFormat() )</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>  setSampleBuffers( <span class="keyword">true</span> );</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="l00030"></a><span class="lineno"> 30</span> }</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">class </span>QwtPlotGLCanvas::PrivateData</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  PrivateData()</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  : fboDirty( true )</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  , fbo( NULL )</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="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  ~PrivateData()</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> fbo;</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="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">bool</span> fboDirty;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  QGLFramebufferObject* fbo;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> };</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="l00056"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#adc7704723f078ff57243a2e2fc217832"> 56</a></span> <a class="code" href="class_qwt_plot_g_l_canvas.html#adc7704723f078ff57243a2e2fc217832">QwtPlotGLCanvas::QwtPlotGLCanvas</a>( <a class="code" href="class_qwt_plot.html">QwtPlot</a>* plot )</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  : QGLWidget( QwtPlotGLCanvasFormat(), plot )</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  , <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html">QwtPlotAbstractGLCanvas</a>( this )</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>  init();</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="l00069"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#afcfc7a4b768e084f5331fb182f6f1318"> 69</a></span> <a class="code" href="class_qwt_plot_g_l_canvas.html#adc7704723f078ff57243a2e2fc217832">QwtPlotGLCanvas::QwtPlotGLCanvas</a>( <span class="keyword">const</span> QGLFormat& format, <a class="code" href="class_qwt_plot.html">QwtPlot</a>* plot )</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  : QGLWidget( format, plot )</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  , <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html">QwtPlotAbstractGLCanvas</a>( this )</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="l00073"></a><span class="lineno"> 73</span>  init();</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</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="l00077"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#a330939a56e289c42bcfbee2d82ef8347"> 77</a></span> <a class="code" href="class_qwt_plot_g_l_canvas.html#a330939a56e289c42bcfbee2d82ef8347">QwtPlotGLCanvas::~QwtPlotGLCanvas</a>()</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="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">delete</span> m_data;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</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="keywordtype">void</span> QwtPlotGLCanvas::init()</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>  m_data = <span class="keyword">new</span> PrivateData;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#if 1</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  setAttribute( Qt::WA_OpaquePaintEvent, <span class="keyword">true</span> );</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#a15748428948a5ea5594309862c898a8c">setLineWidth</a>( 2 );</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#adb37aa5c62dc82352a9ed0c596e4e136">setFrameShadow</a>( QFrame::Sunken );</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#a94191d6d1e982de669ea9dfcc82b6a27">setFrameShape</a>( QFrame::Panel );</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</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="l00100"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#ac2f0b18dd1b26db455a57599049c69b6"> 100</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_g_l_canvas.html#ac2f0b18dd1b26db455a57599049c69b6">QwtPlotGLCanvas::paintEvent</a>( QPaintEvent* event )</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>  QGLWidget::paintEvent( <a class="code" href="class_qwt_plot_g_l_canvas.html#aa46f9d209bc4d7e862bfdc4b5aeb1fdb">event</a> );</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_plot_g_l_canvas.html#aa46f9d209bc4d7e862bfdc4b5aeb1fdb"> 110</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot_g_l_canvas.html#aa46f9d209bc4d7e862bfdc4b5aeb1fdb">QwtPlotGLCanvas::event</a>( QEvent* 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">bool</span> ok = QGLWidget::event( <a class="code" href="class_qwt_plot_g_l_canvas.html#aa46f9d209bc4d7e862bfdc4b5aeb1fdb">event</a> );</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="keywordflow">if</span> ( <a class="code" href="class_qwt_plot_g_l_canvas.html#aa46f9d209bc4d7e862bfdc4b5aeb1fdb">event</a>->type() == QEvent::PolishRequest ||</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="class_qwt_plot_g_l_canvas.html#aa46f9d209bc4d7e862bfdc4b5aeb1fdb">event</a>->type() == QEvent::StyleChange )</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>  <span class="comment">// assuming, that we always have a styled background</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// when we have a style sheet</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="l00120"></a><span class="lineno"> 120</span>  setAttribute( Qt::WA_StyledBackground,</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  testAttribute( Qt::WA_StyleSheet ) );</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</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>  <span class="keywordflow">return</span> ok;</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> }</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#af2bf82a971fcea76dab92da15a859c67"> 131</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_g_l_canvas.html#af2bf82a971fcea76dab92da15a859c67">QwtPlotGLCanvas::replot</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="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#a9618a6dd76617768afefd23e5f16e559">QwtPlotAbstractGLCanvas::replot</a>();</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>  </div>
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<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#a7a3ee293ae9564bce107bf7575edf10d"> 137</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_g_l_canvas.html#a7a3ee293ae9564bce107bf7575edf10d">QwtPlotGLCanvas::invalidateBackingStore</a>()</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>  m_data->fboDirty = <span class="keyword">true</span>;</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>  </div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">void</span> QwtPlotGLCanvas::clearBackingStore()</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> {</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">delete</span> m_data->fbo;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  m_data->fbo = NULL;</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>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#a525fca9ded8253c67ce701a76bcc963e"> 157</a></span> QPainterPath <a class="code" href="class_qwt_plot_g_l_canvas.html#a525fca9ded8253c67ce701a76bcc963e">QwtPlotGLCanvas::borderPath</a>( <span class="keyword">const</span> QRect& rect )<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>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_plot_abstract_canvas.html#a9642475627e053a34aa86d8eee7ee76b">canvasBorderPath</a>( rect );</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>  </div>
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<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#a6401b6d2be7ced82110ad723eaea4cbf"> 163</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_g_l_canvas.html#a6401b6d2be7ced82110ad723eaea4cbf">QwtPlotGLCanvas::initializeGL</a>()</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> {</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>  </div>
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<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#aabf00315a1ae0003442478996dd1c178"> 168</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_g_l_canvas.html#aabf00315a1ae0003442478996dd1c178">QwtPlotGLCanvas::paintGL</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="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> hasFocusIndicator =</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  hasFocus() && <a class="code" href="class_qwt_plot_abstract_canvas.html#a495fd02cb4d3bef4bb34191db1f5d08c">focusIndicator</a>() == <a class="code" href="class_qwt_plot_abstract_canvas.html#af25d84f7db52c78294f0413f2c8e1981af4f3227062ae3588fb2a8650962c4236">CanvasFocusIndicator</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="l00173"></a><span class="lineno"> 173</span>  QPainter painter;</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#a04f62daffa3960b08a05f03214b71bfd">testPaintAttribute</a>( <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#a91d7bb721b06f3ef68d0a64db7104f68a80885b8e4fe5d90bfd6fdf46af0508a7">QwtPlotGLCanvas::BackingStore</a> ) )</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>  <span class="keyword">const</span> qreal pixelRatio = <a class="code" href="class_qwt_painter.html#abcd52c8648b02d72a44851578f3b5ed7">QwtPainter::devicePixelRatio</a>( NULL );</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">const</span> QRect rect( 0, 0, width() * pixelRatio, height() * pixelRatio );</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="keywordflow">if</span> ( hasFocusIndicator )</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  painter.begin( <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> ( m_data->fbo )</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> ( m_data->fbo->size() != rect.size() )</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>  <span class="keyword">delete</span> m_data->fbo;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  m_data->fbo = NULL;</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> ( m_data->fbo == NULL )</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  {</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  QGLFramebufferObjectFormat format;</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  format.setSamples( 4 );</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  format.setAttachment(QGLFramebufferObject::CombinedDepthStencil);</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  m_data->fbo = <span class="keyword">new</span> QGLFramebufferObject( rect.size(), format );</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  m_data->fboDirty = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> ( m_data->fboDirty )</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  {</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  QPainter fboPainter( m_data->fbo );</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  fboPainter.scale( pixelRatio, pixelRatio );</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#af741999be11efb4d966d3f8cbec098d0">draw</a>( &fboPainter );</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  fboPainter.end();</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  m_data->fboDirty = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">/*</span></div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> Why do we have this strange translation - but, anyway</span></div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> QwtPlotGLCanvas in combination with scaling factor</span></div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> is not very likely to happen as using QwtPlotOpenGLCanvas</span></div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> usually makes more sense then.</span></div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  QGLFramebufferObject::blitFramebuffer( NULL,</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  rect.translated( 0, height() - rect.height() ), m_data->fbo, rect );</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  {</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  painter.begin( <span class="keyword">this</span> );</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="class_qwt_plot_abstract_g_l_canvas.html#af741999be11efb4d966d3f8cbec098d0">draw</a>( &painter );</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> ( hasFocusIndicator )</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="class_qwt_plot_abstract_canvas.html#ad38a26aca5a3b20033b34a95b97383cc">drawFocusIndicator</a>( &painter );</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> }</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
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<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="class_qwt_plot_g_l_canvas.html#ad9f603cc0eb9150cf4d6c55932f75013"> 233</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_g_l_canvas.html#ad9f603cc0eb9150cf4d6c55932f75013">QwtPlotGLCanvas::resizeGL</a>( <span class="keywordtype">int</span>, <span class="keywordtype">int</span> )</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> {</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// nothing to do</span></div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#if QWT_MOC_INCLUDE</span></div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#include "moc_qwt_plot_glcanvas.cpp"</span></div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclass_qwt_painter_html_abcd52c8648b02d72a44851578f3b5ed7"><div class="ttname"><a href="class_qwt_painter.html#abcd52c8648b02d72a44851578f3b5ed7">QwtPainter::devicePixelRatio</a></div><div class="ttdeci">static qreal devicePixelRatio(const QPaintDevice *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8cpp_source.html#l01491">qwt_painter.cpp:1491</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_canvas_html_a495fd02cb4d3bef4bb34191db1f5d08c"><div class="ttname"><a href="class_qwt_plot_abstract_canvas.html#a495fd02cb4d3bef4bb34191db1f5d08c">QwtPlotAbstractCanvas::focusIndicator</a></div><div class="ttdeci">FocusIndicator focusIndicator() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l00578">qwt_plot_abstract_canvas.cpp:578</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_canvas_html_a9642475627e053a34aa86d8eee7ee76b"><div class="ttname"><a href="class_qwt_plot_abstract_canvas.html#a9642475627e053a34aa86d8eee7ee76b">QwtPlotAbstractCanvas::canvasBorderPath</a></div><div class="ttdeci">QPainterPath canvasBorderPath(const QRect &rect) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l00619">qwt_plot_abstract_canvas.cpp:619</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_canvas_html_ad38a26aca5a3b20033b34a95b97383cc"><div class="ttname"><a href="class_qwt_plot_abstract_canvas.html#ad38a26aca5a3b20033b34a95b97383cc">QwtPlotAbstractCanvas::drawFocusIndicator</a></div><div class="ttdeci">virtual void drawFocusIndicator(QPainter *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l00587">qwt_plot_abstract_canvas.cpp:587</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_canvas_html_af25d84f7db52c78294f0413f2c8e1981af4f3227062ae3588fb2a8650962c4236"><div class="ttname"><a href="class_qwt_plot_abstract_canvas.html#af25d84f7db52c78294f0413f2c8e1981af4f3227062ae3588fb2a8650962c4236">QwtPlotAbstractCanvas::CanvasFocusIndicator</a></div><div class="ttdeci">@ CanvasFocusIndicator</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8h_source.html#l00039">qwt_plot_abstract_canvas.h:39</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html">QwtPlotAbstractGLCanvas</a></div><div class="ttdoc">Base class of QwtPlotOpenGLCanvas and QwtPlotGLCanvas.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8h_source.html#l00087">qwt_plot_abstract_canvas.h:88</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html_a04f62daffa3960b08a05f03214b71bfd"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html#a04f62daffa3960b08a05f03214b71bfd">QwtPlotAbstractGLCanvas::testPaintAttribute</a></div><div class="ttdeci">bool testPaintAttribute(PaintAttribute) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l00952">qwt_plot_abstract_canvas.cpp:952</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html_a15748428948a5ea5594309862c898a8c"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html#a15748428948a5ea5594309862c898a8c">QwtPlotAbstractGLCanvas::setLineWidth</a></div><div class="ttdeci">void setLineWidth(int)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l01033">qwt_plot_abstract_canvas.cpp:1033</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html_a91d7bb721b06f3ef68d0a64db7104f68a80885b8e4fe5d90bfd6fdf46af0508a7"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html#a91d7bb721b06f3ef68d0a64db7104f68a80885b8e4fe5d90bfd6fdf46af0508a7">QwtPlotAbstractGLCanvas::BackingStore</a></div><div class="ttdeci">@ BackingStore</div><div class="ttdoc">Paint double buffered reusing the content of the pixmap buffer when possible.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8h_source.html#l00110">qwt_plot_abstract_canvas.h:110</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html_a94191d6d1e982de669ea9dfcc82b6a27"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html#a94191d6d1e982de669ea9dfcc82b6a27">QwtPlotAbstractGLCanvas::setFrameShape</a></div><div class="ttdeci">void setFrameShape(QFrame::Shape)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l01011">qwt_plot_abstract_canvas.cpp:1011</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html_a9618a6dd76617768afefd23e5f16e559"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html#a9618a6dd76617768afefd23e5f16e559">QwtPlotAbstractGLCanvas::replot</a></div><div class="ttdeci">void replot()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l01093">qwt_plot_abstract_canvas.cpp:1093</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html_adb37aa5c62dc82352a9ed0c596e4e136"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html#adb37aa5c62dc82352a9ed0c596e4e136">QwtPlotAbstractGLCanvas::setFrameShadow</a></div><div class="ttdeci">void setFrameShadow(QFrame::Shadow)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l00991">qwt_plot_abstract_canvas.cpp:991</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_abstract_g_l_canvas_html_af741999be11efb4d966d3f8cbec098d0"><div class="ttname"><a href="class_qwt_plot_abstract_g_l_canvas.html#af741999be11efb4d966d3f8cbec098d0">QwtPlotAbstractGLCanvas::draw</a></div><div class="ttdeci">void draw(QPainter *)</div><div class="ttdoc">Helper function for the derived plot canvas.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__abstract__canvas_8cpp_source.html#l01112">qwt_plot_abstract_canvas.cpp:1112</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_a330939a56e289c42bcfbee2d82ef8347"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#a330939a56e289c42bcfbee2d82ef8347">QwtPlotGLCanvas::~QwtPlotGLCanvas</a></div><div class="ttdeci">virtual ~QwtPlotGLCanvas()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00077">qwt_plot_glcanvas.cpp:77</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_a525fca9ded8253c67ce701a76bcc963e"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#a525fca9ded8253c67ce701a76bcc963e">QwtPlotGLCanvas::borderPath</a></div><div class="ttdeci">Q_INVOKABLE QPainterPath borderPath(const QRect &) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00157">qwt_plot_glcanvas.cpp:157</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_a6401b6d2be7ced82110ad723eaea4cbf"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#a6401b6d2be7ced82110ad723eaea4cbf">QwtPlotGLCanvas::initializeGL</a></div><div class="ttdeci">virtual void initializeGL() override</div><div class="ttdoc">No operation - reserved for some potential use in the future.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00163">qwt_plot_glcanvas.cpp:163</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_a7a3ee293ae9564bce107bf7575edf10d"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#a7a3ee293ae9564bce107bf7575edf10d">QwtPlotGLCanvas::invalidateBackingStore</a></div><div class="ttdeci">virtual Q_INVOKABLE void invalidateBackingStore() override</div><div class="ttdoc">Invalidate the internal backing store.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00137">qwt_plot_glcanvas.cpp:137</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_aa46f9d209bc4d7e862bfdc4b5aeb1fdb"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#aa46f9d209bc4d7e862bfdc4b5aeb1fdb">QwtPlotGLCanvas::event</a></div><div class="ttdeci">virtual bool event(QEvent *) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00110">qwt_plot_glcanvas.cpp:110</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_aabf00315a1ae0003442478996dd1c178"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#aabf00315a1ae0003442478996dd1c178">QwtPlotGLCanvas::paintGL</a></div><div class="ttdeci">virtual void paintGL() override</div><div class="ttdoc">Paint the plot.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00168">qwt_plot_glcanvas.cpp:168</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_ac2f0b18dd1b26db455a57599049c69b6"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#ac2f0b18dd1b26db455a57599049c69b6">QwtPlotGLCanvas::paintEvent</a></div><div class="ttdeci">virtual void paintEvent(QPaintEvent *) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00100">qwt_plot_glcanvas.cpp:100</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_ad9f603cc0eb9150cf4d6c55932f75013"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#ad9f603cc0eb9150cf4d6c55932f75013">QwtPlotGLCanvas::resizeGL</a></div><div class="ttdeci">virtual void resizeGL(int width, int height) override</div><div class="ttdoc">No operation - reserved for some potential use in the future.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00233">qwt_plot_glcanvas.cpp:233</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_adc7704723f078ff57243a2e2fc217832"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#adc7704723f078ff57243a2e2fc217832">QwtPlotGLCanvas::QwtPlotGLCanvas</a></div><div class="ttdeci">QwtPlotGLCanvas(QwtPlot *=NULL)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00056">qwt_plot_glcanvas.cpp:56</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_g_l_canvas_html_af2bf82a971fcea76dab92da15a859c67"><div class="ttname"><a href="class_qwt_plot_g_l_canvas.html#af2bf82a971fcea76dab92da15a859c67">QwtPlotGLCanvas::replot</a></div><div class="ttdeci">void replot()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__glcanvas_8cpp_source.html#l00131">qwt_plot_glcanvas.cpp:131</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_html"><div class="ttname"><a href="class_qwt_plot.html">QwtPlot</a></div><div class="ttdoc">A 2-D plotting widget.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot_8h_source.html#l00078">qwt_plot.h:79</a></div></div>
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