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<div class="title">qwt_plot_rasteritem.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_rasteritem.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_scale_map.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> <span class="preprocessor">#include "qwt_text.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "qwt_interval.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "qwt_math.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="preprocessor">#include <qpainter.h></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <qpaintengine.h></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <qthread.h></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <qfuture.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <qtconcurrentrun.h></span></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="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">class </span>QwtPlotRasterItem::PrivateData</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  PrivateData()</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  : <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a>( -1 )</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  , paintAttributes( <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a>::<a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d">PaintInDeviceResolution</a> )</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>  cache.policy = <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e">QwtPlotRasterItem::NoCache</a>;</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>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">int</span> <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a>;</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>  <a class="code" href="class_qwt_plot_raster_item.html#a71cc9ee02852dac4e5cf418e37563c9d">QwtPlotRasterItem::PaintAttributes</a> paintAttributes;</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>  <span class="keyword">struct </span>ImageCache</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>  <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a> policy;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  QRectF area;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  QSizeF size;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  QImage image;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  } cache;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> };</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> QRectF qwtAlignRect(<span class="keyword">const</span> QRectF& rect)</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  QRectF r;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  r.setLeft( qRound( rect.left() ) );</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  r.setRight( qRound( rect.right() ) );</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  r.setTop( qRound( rect.top() ) );</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  r.setBottom( qRound( rect.bottom() ) );</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> r;</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="l00060"></a><span class="lineno"> 60</span> <span class="keyword">static</span> QRectF qwtStripRect(<span class="keyword">const</span> QRectF& rect, <span class="keyword">const</span> QRectF& area,</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap,</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a>& xInterval, <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a>& yInterval)</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  QRectF r = rect;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> ( xInterval.<a class="code" href="class_qwt_interval.html#ac7378d58eb684a9befde1cb6d6e88b45">borderFlags</a>() & <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54aa7fde04c41d882187bb13f0104da7240">QwtInterval::ExcludeMinimum</a> )</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>  <span class="keywordflow">if</span> ( area.left() <= xInterval.<a class="code" href="class_qwt_interval.html#a0df143a36d76a677976d82987cab8a06">minValue</a>() )</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> ( xMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  r.adjust(0, 0, -1, 0);</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  r.adjust(1, 0, 0, 0);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</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="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> ( xInterval.<a class="code" href="class_qwt_interval.html#ac7378d58eb684a9befde1cb6d6e88b45">borderFlags</a>() & <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54a70e70e65956ae319e507bc38b792c434">QwtInterval::ExcludeMaximum</a> )</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>  <span class="keywordflow">if</span> ( area.right() >= xInterval.<a class="code" href="class_qwt_interval.html#a44820fa5d6e6cefa59dc31ea0d522d61">maxValue</a>() )</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> ( xMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  r.adjust(1, 0, 0, 0);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  r.adjust(0, 0, -1, 0);</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> ( yInterval.<a class="code" href="class_qwt_interval.html#ac7378d58eb684a9befde1cb6d6e88b45">borderFlags</a>() & <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54aa7fde04c41d882187bb13f0104da7240">QwtInterval::ExcludeMinimum</a> )</div>
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|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> ( area.top() <= yInterval.<a class="code" href="class_qwt_interval.html#a0df143a36d76a677976d82987cab8a06">minValue</a>() )</div>
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|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> ( yMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</div>
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|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  r.adjust(0, 0, 0, -1);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  r.adjust(0, 1, 0, 0);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</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>  </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> ( yInterval.<a class="code" href="class_qwt_interval.html#ac7378d58eb684a9befde1cb6d6e88b45">borderFlags</a>() & <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54a70e70e65956ae319e507bc38b792c434">QwtInterval::ExcludeMaximum</a> )</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="keywordflow">if</span> ( area.bottom() >= yInterval.<a class="code" href="class_qwt_interval.html#a44820fa5d6e6cefa59dc31ea0d522d61">maxValue</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">if</span> ( yMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  r.adjust(0, 1, 0, 0);</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  r.adjust(0, 0, 0, -1);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</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>  <span class="keywordflow">return</span> r;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</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">static</span> QImage qwtExpandImage(<span class="keyword">const</span> QImage& image,</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap,</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> QRectF& area, <span class="keyword">const</span> QRectF& area2, <span class="keyword">const</span> QRectF& paintRect,</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a>& xInterval, <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a>& yInterval )</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="keyword">const</span> QRectF strippedRect = qwtStripRect(paintRect, area2,</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  xMap, yMap, xInterval, yInterval);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> QSize sz = strippedRect.toRect().size();</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>  <span class="keyword">const</span> <span class="keywordtype">int</span> w = image.width();</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> h = image.height();</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="keyword">const</span> QRectF r = <a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">QwtScaleMap::transform</a>(xMap, yMap, area).normalized();</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> pw = ( r.width() - 1 ) / w;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> ph = ( r.height() - 1 ) / h;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">double</span> px0, py0;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> ( !xMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</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>  px0 = xMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area2.left() );</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  px0 = qRound( px0 );</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  px0 = px0 - xMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area.left() );</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>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  {</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  px0 = xMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area2.right() );</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  px0 = qRound( px0 );</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  px0 -= xMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area.right() );</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>  px0 -= 1.0;</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>  px0 += strippedRect.left() - paintRect.left();</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> ( !yMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</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>  py0 = yMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area2.top() );</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  py0 = qRound( py0 );</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  py0 -= yMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area.top() );</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  py0 = yMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area2.bottom() );</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  py0 = qRound( py0 );</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  py0 -= yMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( area.bottom() );</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  py0 -= 1.0;</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>  py0 += strippedRect.top() - paintRect.top();</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>  QImage expanded( sz, image.format() );</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> ( image.format() == QImage::Format_Indexed8 )</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  expanded.setColorTable( image.colorTable() );</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>  <span class="keywordflow">switch</span>( image.depth() )</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="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">case</span> 32:</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>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> y1 = 0; y1 < h; y1++ )</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">int</span> yy1;</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> ( y1 == 0 )</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  {</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  yy1 = 0;</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  {</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  yy1 = qRound( y1 * ph - py0 );</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> ( yy1 < 0 )</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  yy1 = 0;</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</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="keywordtype">int</span> yy2;</div>
|
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> ( y1 == h - 1 )</div>
|
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  {</div>
|
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  yy2 = sz.height();</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="keywordflow">else</span></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>  yy2 = qRound( ( y1 + 1 ) * ph - py0 );</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> ( yy2 > sz.height() )</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  yy2 = sz.height();</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>  </div>
|
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> quint32* line1 =</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">reinterpret_cast<</span> <span class="keyword">const </span>quint32* <span class="keyword">></span>( image.scanLine( y1 ) );</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>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> x1 = 0; x1 < w; x1++ )</div>
|
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div>
|
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">int</span> xx1;</div>
|
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> ( x1 == 0 )</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  {</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  xx1 = 0;</div>
|
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
|
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  xx1 = qRound( x1 * pw - px0 );</div>
|
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> ( xx1 < 0 )</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  xx1 = 0;</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="keywordtype">int</span> xx2;</div>
|
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> ( x1 == w - 1 )</div>
|
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  {</div>
|
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  xx2 = sz.width();</div>
|
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
|
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">else</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>  xx2 = qRound( ( x1 + 1 ) * pw - px0 );</div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> ( xx2 > sz.width() )</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  xx2 = sz.width();</div>
|
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</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>  <span class="keyword">const</span> quint32 rgb( line1[x1] );</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> y2 = yy1; y2 < yy2; y2++ )</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  quint32* line2 = <span class="keyword">reinterpret_cast<</span> quint32* <span class="keyword">></span>(</div>
|
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  expanded.scanLine( y2 ) );</div>
|
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
|
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> x2 = xx1; x2 < xx2; x2++ )</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  line2[x2] = rgb;</div>
|
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
|
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</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="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">case</span> 8:</div>
|
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> y1 = 0; y1 < h; y1++ )</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  {</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">int</span> yy1;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> ( y1 == 0 )</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  {</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  yy1 = 0;</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  yy1 = qRound( y1 * ph - py0 );</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> ( yy1 < 0 )</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  yy1 = 0;</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
|
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">int</span> yy2;</div>
|
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> ( y1 == h - 1 )</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  {</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  yy2 = sz.height();</div>
|
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  yy2 = qRound( ( y1 + 1 ) * ph - py0 );</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> ( yy2 > sz.height() )</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  yy2 = sz.height();</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> uchar* line1 = image.scanLine( y1 );</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> x1 = 0; x1 < w; x1++ )</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  {</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">int</span> xx1;</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> ( x1 == 0 )</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  {</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  xx1 = 0;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">else</span></div>
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|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  {</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  xx1 = qRound( x1 * pw - px0 );</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> ( xx1 < 0 )</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  xx1 = 0;</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  </div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordtype">int</span> xx2;</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> ( x1 == w - 1 )</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  {</div>
|
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  xx2 = sz.width();</div>
|
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
|
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  {</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  xx2 = qRound( ( x1 + 1 ) * pw - px0 );</div>
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|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span> ( xx2 > sz.width() )</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  xx2 = sz.width();</div>
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|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> y2 = yy1; y2 < yy2; y2++ )</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  {</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  uchar* line2 = expanded.scanLine( y2 );</div>
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|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  memset( line2 + xx1, line1[x1], xx2 - xx1 );</div>
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|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div>
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|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
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|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div>
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|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  expanded = image;</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> expanded;</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> }</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="keyword">static</span> QRectF qwtExpandToPixels(<span class="keyword">const</span> QRectF& rect, <span class="keyword">const</span> QRectF& pixelRect)</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> {</div>
|
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> pw = pixelRect.width();</div>
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|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> ph = pixelRect.height();</div>
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|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  </div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dx1 = pixelRect.left() - rect.left();</div>
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|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dx2 = pixelRect.right() - rect.right();</div>
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|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dy1 = pixelRect.top() - rect.top();</div>
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|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dy2 = pixelRect.bottom() - rect.bottom();</div>
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|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  QRectF r;</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  r.setLeft( pixelRect.left() - qwtCeil( dx1 / pw ) * pw );</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  r.setTop( pixelRect.top() - qwtCeil( dy1 / ph ) * ph );</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  r.setRight( pixelRect.right() - qwtFloor( dx2 / pw ) * pw );</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  r.setBottom( pixelRect.bottom() - qwtFloor( dy2 / ph ) * ph );</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> r;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> }</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="keyword">static</span> <span class="keywordtype">void</span> qwtTransformMaps( <span class="keyword">const</span> QTransform& tr,</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap,</div>
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|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xxMap, <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yyMap )</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keyword">const</span> QPointF p1 = tr.map( QPointF( xMap.<a class="code" href="class_qwt_scale_map.html#a4d03a9fea3bd9b66a0b882b8b1a58f4b">p1</a>(), yMap.<a class="code" href="class_qwt_scale_map.html#a4d03a9fea3bd9b66a0b882b8b1a58f4b">p1</a>() ) );</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keyword">const</span> QPointF p2 = tr.map( QPointF( xMap.<a class="code" href="class_qwt_scale_map.html#acd78b70fae83854a148fa3d08b13c261">p2</a>(), yMap.<a class="code" href="class_qwt_scale_map.html#acd78b70fae83854a148fa3d08b13c261">p2</a>() ) );</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  </div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  xxMap = xMap;</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  xxMap.<a class="code" href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">setPaintInterval</a>( p1.x(), p2.x() );</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  yyMap = yMap;</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  yyMap.<a class="code" href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">setPaintInterval</a>( p1.y(), p2.y() );</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> }</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">static</span> <span class="keywordtype">void</span> qwtAdjustMaps( <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap, <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap,</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keyword">const</span> QRectF& area, <span class="keyword">const</span> QRectF& paintRect)</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> {</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordtype">double</span> sx1 = area.left();</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">double</span> sx2 = area.right();</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> ( xMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  qSwap(sx1, sx2);</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  </div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordtype">double</span> sy1 = area.top();</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordtype">double</span> sy2 = area.bottom();</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  </div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">if</span> ( yMap.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  qSwap(sy1, sy2);</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  </div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  xMap.<a class="code" href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">setPaintInterval</a>(paintRect.left(), paintRect.right() );</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  xMap.<a class="code" href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094">setScaleInterval</a>(sx1, sx2);</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  yMap.<a class="code" href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">setPaintInterval</a>(paintRect.top(), paintRect.bottom() );</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  yMap.<a class="code" href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094">setScaleInterval</a>(sy1, sy2);</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> }</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  </div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> qwtUseCache( <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a> policy,</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keyword">const</span> QPainter* painter )</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> {</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">bool</span> doCache = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> ( policy == <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a3bfb74bebbfe1ccabe1d6654fee7c56d">QwtPlotRasterItem::PaintCache</a> )</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  {</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// Caching doesn't make sense, when the item is</span></div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// not painted to screen</span></div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">switch</span> ( painter->paintEngine()->type() )</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  {</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">case</span> QPaintEngine::SVG:</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">case</span> QPaintEngine::Pdf:</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor">#if QT_VERSION < 0x060000</span></div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">case</span> QPaintEngine::PostScript:</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">case</span> QPaintEngine::MacPrinter:</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">case</span> QPaintEngine::Picture:</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">default</span>:;</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  doCache = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">return</span> doCache;</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> }</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  </div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="keyword">static</span> <span class="keywordtype">void</span> qwtToRgba( <span class="keyword">const</span> QImage* from, QImage* to,</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keyword">const</span> QRect& tile, <span class="keywordtype">int</span> alpha )</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> {</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keyword">const</span> QRgb mask1 = qRgba( 0, 0, 0, alpha );</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">const</span> QRgb mask2 = qRgba( 255, 255, 255, 0 );</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> QRgb mask3 = qRgba( 0, 0, 0, 255 );</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  </div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> y0 = tile.top();</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> y1 = tile.bottom();</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> x0 = tile.left();</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> x1 = tile.right();</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  </div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">if</span> ( from->depth() == 8 )</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  {</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> y = y0; y <= y1; y++ )</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  {</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  QRgb* alphaLine = <span class="keyword">reinterpret_cast<</span> QRgb* <span class="keyword">></span>( to->scanLine( y ) );</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* line = from->scanLine( y );</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  </div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> x = x0; x <= x1; x++ )</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  *alphaLine++ = ( from->color( *line++ ) & mask2 ) | mask1;</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( from->depth() == 32 )</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  {</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> y = y0; y <= y1; y++ )</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  {</div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  QRgb* alphaLine = <span class="keyword">reinterpret_cast<</span> QRgb* <span class="keyword">></span>( to->scanLine( y ) );</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keyword">const</span> QRgb* line = <span class="keyword">reinterpret_cast<</span> <span class="keyword">const </span>QRgb* <span class="keyword">></span>( from->scanLine( y ) );</div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  </div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> x = x0; x <= x1; x++ )</div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  {</div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keyword">const</span> QRgb rgb = *line++;</div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> ( rgb & mask3 ) <span class="comment">// alpha != 0</span></div>
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<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  *alphaLine++ = ( rgb & mask2 ) | mask1;</div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  *alphaLine++ = rgb;</div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div>
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> }</div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
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<div class="line"><a name="l00434"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#ac537e137ad0d594a3276b0f76202a626"> 434</a></span> <a class="code" href="class_qwt_plot_raster_item.html#ac537e137ad0d594a3276b0f76202a626">QwtPlotRasterItem::QwtPlotRasterItem</a>( <span class="keyword">const</span> QString& title )</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  : <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a>( <a class="code" href="class_qwt_text.html">QwtText</a>( title ) )</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> {</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  init();</div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> }</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  </div>
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<div class="line"><a name="l00441"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#af487c6abc8e95200d4537d1373f96be5"> 441</a></span> <a class="code" href="class_qwt_plot_raster_item.html#ac537e137ad0d594a3276b0f76202a626">QwtPlotRasterItem::QwtPlotRasterItem</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a>& title )</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  : <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a>( title )</div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> {</div>
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  init();</div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div>
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<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  </div>
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<div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a2715233827c346ab15504dc75d6e9714"> 448</a></span> <a class="code" href="class_qwt_plot_raster_item.html#a2715233827c346ab15504dc75d6e9714">QwtPlotRasterItem::~QwtPlotRasterItem</a>()</div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> {</div>
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<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keyword">delete</span> m_data;</div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> }</div>
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  </div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="keywordtype">void</span> QwtPlotRasterItem::init()</div>
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<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> {</div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  m_data = <span class="keyword">new</span> PrivateData();</div>
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|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  </div>
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<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <a class="code" href="class_qwt_plot_item.html#a5a335be8ff488809a2cf7f4b734ad1b6">setItemAttribute</a>( <a class="code" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062a9de83e2ad8a88796a36a11ef8b033a48">QwtPlotItem::AutoScale</a>, <span class="keyword">true</span> );</div>
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<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <a class="code" href="class_qwt_plot_item.html#a5a335be8ff488809a2cf7f4b734ad1b6">setItemAttribute</a>( <a class="code" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062a4e377b54bd879c60a95162b6a9e9e176">QwtPlotItem::Legend</a>, <span class="keyword">false</span> );</div>
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<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <a class="code" href="class_qwt_plot_item.html#a57d90e4146133b59d589c71b3a643e82">setZ</a>( 8.0 );</div>
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<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> }</div>
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<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  </div>
|
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<div class="line"><a name="l00470"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a70d6b94821e5eafb29b1f045d1f3a2e6"> 470</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_raster_item.html#a70d6b94821e5eafb29b1f045d1f3a2e6">QwtPlotRasterItem::setPaintAttribute</a>( <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> attribute, <span class="keywordtype">bool</span> on )</div>
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<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> {</div>
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<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> ( on )</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  m_data->paintAttributes |= attribute;</div>
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|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  m_data->paintAttributes &= ~attribute;</div>
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<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> }</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  </div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a0244b24502abe26185b70b7ee6a4905c"> 482</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot_raster_item.html#a0244b24502abe26185b70b7ee6a4905c">QwtPlotRasterItem::testPaintAttribute</a>( <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> attribute )<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">return</span> ( m_data->paintAttributes & attribute );</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> }</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  </div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a14f2ab8ec0994384e6269f869c352273"> 510</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_raster_item.html#a14f2ab8ec0994384e6269f869c352273">QwtPlotRasterItem::setAlpha</a>( <span class="keywordtype">int</span> alpha )</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> {</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a> < 0 )</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a> = -1;</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a> > 255 )</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a> = 255;</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  </div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a> != m_data->alpha )</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  {</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  m_data->alpha = <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a>;</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  </div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <a class="code" href="class_qwt_plot_item.html#ad956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  }</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> }</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  </div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c"> 530</a></span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">QwtPlotRasterItem::alpha</a>()<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">return</span> m_data->alpha;</div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> }</div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  </div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a31f74199f7e333c2683b0f18289e4c7f"> 543</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_raster_item.html#a31f74199f7e333c2683b0f18289e4c7f">QwtPlotRasterItem::setCachePolicy</a>(</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a> policy )</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> {</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span> ( m_data->cache.policy != policy )</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  {</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  m_data->cache.policy = policy;</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  </div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <a class="code" href="class_qwt_plot_raster_item.html#a547ce4d8d031b230226cfbd509ef65b5">invalidateCache</a>();</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <a class="code" href="class_qwt_plot_item.html#ad956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  }</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> }</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  </div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#aec74de65bf6b566afd52db6dc4c67c46"> 559</a></span> <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a> <a class="code" href="class_qwt_plot_raster_item.html#aec74de65bf6b566afd52db6dc4c67c46">QwtPlotRasterItem::cachePolicy</a>()<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">return</span> m_data->cache.policy;</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> }</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  </div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a547ce4d8d031b230226cfbd509ef65b5"> 568</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_raster_item.html#a547ce4d8d031b230226cfbd509ef65b5">QwtPlotRasterItem::invalidateCache</a>()</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> {</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  m_data->cache.image = QImage();</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  m_data->cache.area = QRect();</div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  m_data->cache.size = QSize();</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> }</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  </div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a879bb4bc04be084022e9cc5abab748f3"> 601</a></span> QRectF <a class="code" href="class_qwt_plot_raster_item.html#a879bb4bc04be084022e9cc5abab748f3">QwtPlotRasterItem::pixelHint</a>( <span class="keyword">const</span> QRectF& area )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  Q_UNUSED( area );</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">return</span> QRectF();</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> }</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  </div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a0d93dc1cd50a43bc10bc1b1bfd457a4c"> 614</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_raster_item.html#a0d93dc1cd50a43bc10bc1b1bfd457a4c">QwtPlotRasterItem::draw</a>( QPainter* painter,</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap,</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keyword">const</span> QRectF& canvasRect )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordflow">if</span> ( canvasRect.isEmpty() || m_data->alpha == 0 )</div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  </div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> doCache = qwtUseCache( m_data->cache.policy, painter );</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  </div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> xInterval = <a class="code" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">interval</a>( Qt::XAxis );</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> yInterval = <a class="code" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">interval</a>( Qt::YAxis );</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  </div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="comment"> Scaling an image always results in a loss of</span></div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="comment"> precision/quality. So we always render the image in</span></div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="comment"> paint device resolution.</span></div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  </div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> xxMap, yyMap;</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  qwtTransformMaps( painter->transform(), xMap, yMap, xxMap, yyMap );</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  </div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  QRectF <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a> = painter->transform().mapRect( canvasRect );</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  QRectF area = <a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">QwtScaleMap::invTransform</a>( xxMap, yyMap, <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a> );</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  </div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keyword">const</span> QRectF br = <a class="code" href="class_qwt_plot_raster_item.html#a0da9b86321855e580d0e21d2939d5391">boundingRect</a>();</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">if</span> ( br.isValid() && !br.contains( area ) )</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  {</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  area &= br;</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordflow">if</span> ( !area.isValid() )</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  </div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a> = <a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">QwtScaleMap::transform</a>( xxMap, yyMap, area );</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  }</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  </div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  QRectF imageRect;</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  QImage image;</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  </div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  QRectF pixelRect = <a class="code" href="class_qwt_plot_raster_item.html#a879bb4bc04be084022e9cc5abab748f3">pixelHint</a>(area);</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keywordflow">if</span> ( !pixelRect.isEmpty() )</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  {</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="comment">// one pixel of the target device in plot coordinates</span></div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dx = qAbs( xxMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( 1 ) - xxMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( 0 ) );</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dy = qAbs( yyMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( 1 ) - yyMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( 0 ) );</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  </div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">if</span> ( dx > pixelRect.width() && dy > pixelRect.height() )</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  {</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="comment"> When the resolution of the data pixels is higher than</span></div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> <span class="comment"> the resolution of the target device we render in</span></div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> <span class="comment"> target device resolution.</span></div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  pixelRect = QRectF();</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  }</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  {</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span> <span class="comment"> If only one dimension is of the data pixel is higher</span></div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> <span class="comment"> we expand the pixel rect to the resolution of the target device.</span></div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  </div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordflow">if</span> ( dx > pixelRect.width() )</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  pixelRect.setWidth( dx );</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  </div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">if</span> ( dy > pixelRect.height() )</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  pixelRect.setHeight( dy );</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  }</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  }</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  </div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="keywordflow">if</span> ( pixelRect.isEmpty() )</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  {</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_painter.html#ae9af230df7bb8d40b802d4f3205a8631">QwtPainter::roundingAlignment</a>( painter ) )</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  {</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="comment">// we want to have maps, where the boundaries of</span></div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="comment">// the aligned paint rectangle exactly match the area</span></div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  </div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a> = qwtAlignRect(<a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>);</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  qwtAdjustMaps(xxMap, yyMap, area, <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>);</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  }</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  </div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="comment">// When we have no information about position and size of</span></div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="comment">// data pixels we render in resolution of the paint device.</span></div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  </div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  image = compose(xxMap, yyMap,</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  area, <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>, <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.size().toSize(), doCache);</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">if</span> ( image.isNull() )</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  </div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="comment">// Remove pixels at the boundaries, when explicitly</span></div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="comment">// excluded in the intervals</span></div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  </div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  imageRect = qwtStripRect(<a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>, area,</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  xxMap, yyMap, xInterval, yInterval);</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  </div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">if</span> ( imageRect != <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a> )</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  {</div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keyword">const</span> QRect r(</div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  qRound( imageRect.x() - <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.x() ),</div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  qRound( imageRect.y() - <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.y() ),</div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  qRound( imageRect.width() ),</div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  qRound( imageRect.height() ) );</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  </div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  image = image.copy(r);</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  }</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  }</div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  {</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_painter.html#ae9af230df7bb8d40b802d4f3205a8631">QwtPainter::roundingAlignment</a>( painter ) )</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a> = qwtAlignRect(<a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>);</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  </div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="comment">// align the area to the data pixels</span></div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  QRectF imageArea = qwtExpandToPixels(area, pixelRect);</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  </div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keywordflow">if</span> ( imageArea.right() == xInterval.<a class="code" href="class_qwt_interval.html#a44820fa5d6e6cefa59dc31ea0d522d61">maxValue</a>() &&</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  !( xInterval.<a class="code" href="class_qwt_interval.html#ac7378d58eb684a9befde1cb6d6e88b45">borderFlags</a>() & <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54a70e70e65956ae319e507bc38b792c434">QwtInterval::ExcludeMaximum</a> ) )</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  {</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  imageArea.adjust(0, 0, pixelRect.width(), 0);</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  }</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keywordflow">if</span> ( imageArea.bottom() == yInterval.<a class="code" href="class_qwt_interval.html#a44820fa5d6e6cefa59dc31ea0d522d61">maxValue</a>() &&</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  !( yInterval.<a class="code" href="class_qwt_interval.html#ac7378d58eb684a9befde1cb6d6e88b45">borderFlags</a>() & <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54a70e70e65956ae319e507bc38b792c434">QwtInterval::ExcludeMaximum</a> ) )</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  {</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  imageArea.adjust(0, 0, 0, pixelRect.height() );</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  }</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  </div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  QSize imageSize;</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  imageSize.setWidth( qRound( imageArea.width() / pixelRect.width() ) );</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  imageSize.setHeight( qRound( imageArea.height() / pixelRect.height() ) );</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  </div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  image = compose(xxMap, yyMap,</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  imageArea, <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>, imageSize, doCache );</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  </div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="keywordflow">if</span> ( image.isNull() )</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  </div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  imageRect = qwtStripRect(<a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>, area,</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  xxMap, yyMap, xInterval, yInterval);</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  </div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <span class="keywordflow">if</span> ( ( image.width() > 1 || image.height() > 1 ) &&</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <a class="code" href="class_qwt_plot_raster_item.html#a0244b24502abe26185b70b7ee6a4905c">testPaintAttribute</a>( <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d">PaintInDeviceResolution</a> ) )</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  {</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="comment">// Because of rounding errors the pixels</span></div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="comment">// need to be expanded manually to rectangles of</span></div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="comment">// different sizes</span></div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  </div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  image = qwtExpandImage(image, xxMap, yyMap,</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  imageArea, area, <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>, xInterval, yInterval );</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  }</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  }</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  </div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  painter->save();</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  painter->setWorldTransform( QTransform() );</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  </div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <a class="code" href="class_qwt_painter.html#a2825f068a54e21e885235235daac3ec7">QwtPainter::drawImage</a>( painter, imageRect, image );</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  </div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  painter->restore();</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> }</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  </div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4"> 778</a></span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> <a class="code" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">QwtPlotRasterItem::interval</a>(Qt::Axis axis)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  Q_UNUSED( axis );</div>
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|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a>();</div>
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|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> }</div>
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<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  </div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a0da9b86321855e580d0e21d2939d5391"> 788</a></span> QRectF <a class="code" href="class_qwt_plot_raster_item.html#a0da9b86321855e580d0e21d2939d5391">QwtPlotRasterItem::boundingRect</a>()<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span> <span class="keyword"></span>{</div>
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|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> intervalX = <a class="code" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">interval</a>( Qt::XAxis );</div>
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|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> intervalY = <a class="code" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">interval</a>( Qt::YAxis );</div>
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|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  </div>
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|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keywordflow">if</span> ( !intervalX.<a class="code" href="class_qwt_interval.html#ad742235a737d4d0b12cba1cab2df55f3">isValid</a>() && !intervalY.<a class="code" href="class_qwt_interval.html#ad742235a737d4d0b12cba1cab2df55f3">isValid</a>() )</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">return</span> QRectF(); <span class="comment">// no bounding rect</span></div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  </div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  QRectF r;</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  </div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keywordflow">if</span> ( intervalX.<a class="code" href="class_qwt_interval.html#ad742235a737d4d0b12cba1cab2df55f3">isValid</a>() )</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  {</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  r.setLeft( intervalX.<a class="code" href="class_qwt_interval.html#a0df143a36d76a677976d82987cab8a06">minValue</a>() );</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  r.setRight( intervalX.<a class="code" href="class_qwt_interval.html#a44820fa5d6e6cefa59dc31ea0d522d61">maxValue</a>() );</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  }</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  {</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keyword">const</span> qreal max = std::numeric_limits< float >::max();</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  </div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  r.setLeft( -0.5 * max );</div>
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|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  r.setWidth( max );</div>
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|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  }</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  </div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keywordflow">if</span> ( intervalY.<a class="code" href="class_qwt_interval.html#ad742235a737d4d0b12cba1cab2df55f3">isValid</a>() )</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  {</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  r.setTop( intervalY.<a class="code" href="class_qwt_interval.html#a0df143a36d76a677976d82987cab8a06">minValue</a>() );</div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  r.setBottom( intervalY.<a class="code" href="class_qwt_interval.html#a44820fa5d6e6cefa59dc31ea0d522d61">maxValue</a>() );</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  }</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  {</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keyword">const</span> qreal max = std::numeric_limits< float >::max();</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  </div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  r.setTop( -0.5 * max );</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  r.setHeight( max );</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  }</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  </div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">return</span> r.normalized();</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> }</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  </div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span> QImage QwtPlotRasterItem::compose(</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap,</div>
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|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="keyword">const</span> QRectF& imageArea, <span class="keyword">const</span> QRectF& paintRect,</div>
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|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keyword">const</span> QSize& imageSize, <span class="keywordtype">bool</span> doCache)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  QImage image;</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordflow">if</span> ( imageArea.isEmpty() || <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.isEmpty() || imageSize.isEmpty() )</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="keywordflow">return</span> image;</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  </div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">if</span> ( doCache )</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  {</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordflow">if</span> ( !m_data->cache.image.isNull()</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  && m_data->cache.area == imageArea</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  && m_data->cache.size == <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.size() )</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  {</div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  image = m_data->cache.image;</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  }</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  }</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  </div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">if</span> ( image.isNull() )</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  {</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="keywordtype">double</span> dx = 0.0;</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.toRect().width() > imageSize.width() )</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  dx = imageArea.width() / imageSize.width();</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  </div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> xxMap =</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <a class="code" href="class_qwt_plot_raster_item.html#ad64bb562d81ec0ccc7b4cfbf6bb9a133">imageMap</a>(Qt::Horizontal, xMap, imageArea, imageSize, dx);</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  </div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordtype">double</span> dy = 0.0;</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.toRect().height() > imageSize.height() )</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  dy = imageArea.height() / imageSize.height();</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  </div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> yyMap =</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <a class="code" href="class_qwt_plot_raster_item.html#ad64bb562d81ec0ccc7b4cfbf6bb9a133">imageMap</a>(Qt::Vertical, yMap, imageArea, imageSize, dy);</div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  </div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  image = <a class="code" href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74">renderImage</a>( xxMap, yyMap, imageArea, imageSize );</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  </div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">if</span> ( doCache )</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  {</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  m_data->cache.area = imageArea;</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  m_data->cache.size = <a class="code" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a>.size();</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  m_data->cache.image = image;</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  }</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  }</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  </div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">if</span> ( m_data->alpha >= 0 && m_data->alpha < 255 )</div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  {</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  QImage alphaImage( image.size(), QImage::Format_ARGB32 );</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  </div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> <span class="preprocessor">#if !defined( QT_NO_QFUTURE )</span></div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  uint numThreads = <a class="code" href="class_qwt_plot_item.html#ae3651df9594cb48f8221f7b1cc7852ca">renderThreadCount</a>();</div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  </div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">if</span> ( numThreads <= 0 )</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  numThreads = QThread::idealThreadCount();</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  </div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keywordflow">if</span> ( numThreads <= 0 )</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  numThreads = 1;</div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  </div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> numRows = image.height() / numThreads;</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  </div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <a class="code" href="class_q_vector.html">QVector< QFuture< void ></a> > futures;</div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  futures.reserve( numThreads - 1 );</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  </div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keywordflow">for</span> ( uint i = 0; i < numThreads; i++ )</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  {</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  QRect tile( 0, i * numRows, image.width(), numRows );</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="keywordflow">if</span> ( i == numThreads - 1 )</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  {</div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  tile.setHeight( image.height() - i * numRows );</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  qwtToRgba( &image, &alphaImage, tile, m_data->alpha );</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  }</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  {</div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  futures += QtConcurrent::run(</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  &qwtToRgba, &image, &alphaImage, tile, m_data->alpha );</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  }</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  }</div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < futures.size(); i++ )</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  futures[i].waitForFinished();</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keyword">const</span> QRect tile( 0, 0, image.width(), image.height() );</div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  qwtToRgba( &image, &alphaImage, tile, m_data->alpha );</div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  image = alphaImage;</div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  }</div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  </div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">return</span> image;</div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> }</div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  </div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#ad64bb562d81ec0ccc7b4cfbf6bb9a133"> 927</a></span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> <a class="code" href="class_qwt_plot_raster_item.html#ad64bb562d81ec0ccc7b4cfbf6bb9a133">QwtPlotRasterItem::imageMap</a>(</div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  Qt::Orientation orientation,</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& map, <span class="keyword">const</span> QRectF& area,</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="keyword">const</span> QSize& imageSize, <span class="keywordtype">double</span> pixelSize)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordtype">double</span> p1, p2, s1, s2;</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  </div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordflow">if</span> ( orientation == Qt::Horizontal )</div>
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<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  {</div>
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<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  p1 = 0.0;</div>
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<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  p2 = imageSize.width();</div>
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<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  s1 = area.left();</div>
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<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  s2 = area.right();</div>
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<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  }</div>
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<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  {</div>
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<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  p1 = 0.0;</div>
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<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  p2 = imageSize.height();</div>
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<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  s1 = area.top();</div>
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<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  s2 = area.bottom();</div>
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<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  }</div>
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<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  </div>
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<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  <span class="keywordflow">if</span> ( pixelSize > 0.0 || p2 == 1.0 )</div>
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<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  {</div>
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<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="keywordtype">double</span> off = 0.5 * pixelSize;</div>
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<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  <span class="keywordflow">if</span> ( map.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() )</div>
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<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  off = -off;</div>
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<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  </div>
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<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  s1 += off;</div>
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<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  s2 += off;</div>
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<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  }</div>
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<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  {</div>
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<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  p2--;</div>
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<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  }</div>
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<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  </div>
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<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="keywordflow">if</span> ( map.<a class="code" href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">isInverting</a>() && ( s1 < s2 ) )</div>
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<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  qSwap( s1, s2 );</div>
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<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  </div>
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<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> newMap = map;</div>
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<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  newMap.<a class="code" href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">setPaintInterval</a>( p1, p2 );</div>
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<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  newMap.<a class="code" href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094">setScaleInterval</a>( s1, s2 );</div>
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<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  </div>
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<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="keywordflow">return</span> newMap;</div>
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<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> }</div>
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<div class="ttc" id="aclass_q_vector_html"><div class="ttname"><a href="class_q_vector.html">QVector</a></div><div class="ttdef"><b>Definition:</b> <a href="qwt__clipper_8h_source.html#l00023">qwt_clipper.h:23</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html"><div class="ttname"><a href="class_qwt_interval.html">QwtInterval</a></div><div class="ttdoc">A class representing an interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00022">qwt_interval.h:23</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_a0df143a36d76a677976d82987cab8a06"><div class="ttname"><a href="class_qwt_interval.html#a0df143a36d76a677976d82987cab8a06">QwtInterval::minValue</a></div><div class="ttdeci">double minValue() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00192">qwt_interval.h:192</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_a3a4b4e49495108c660fc07a62af7ac54a70e70e65956ae319e507bc38b792c434"><div class="ttname"><a href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54a70e70e65956ae319e507bc38b792c434">QwtInterval::ExcludeMaximum</a></div><div class="ttdeci">@ ExcludeMaximum</div><div class="ttdoc">Max value is not included in the interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00038">qwt_interval.h:38</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_a3a4b4e49495108c660fc07a62af7ac54aa7fde04c41d882187bb13f0104da7240"><div class="ttname"><a href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54aa7fde04c41d882187bb13f0104da7240">QwtInterval::ExcludeMinimum</a></div><div class="ttdeci">@ ExcludeMinimum</div><div class="ttdoc">Min value is not included in the interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00035">qwt_interval.h:35</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_a44820fa5d6e6cefa59dc31ea0d522d61"><div class="ttname"><a href="class_qwt_interval.html#a44820fa5d6e6cefa59dc31ea0d522d61">QwtInterval::maxValue</a></div><div class="ttdeci">double maxValue() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00198">qwt_interval.h:198</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_ac7378d58eb684a9befde1cb6d6e88b45"><div class="ttname"><a href="class_qwt_interval.html#ac7378d58eb684a9befde1cb6d6e88b45">QwtInterval::borderFlags</a></div><div class="ttdeci">BorderFlags borderFlags() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00166">qwt_interval.h:166</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_ad742235a737d4d0b12cba1cab2df55f3"><div class="ttname"><a href="class_qwt_interval.html#ad742235a737d4d0b12cba1cab2df55f3">QwtInterval::isValid</a></div><div class="ttdeci">bool isValid() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00210">qwt_interval.h:210</a></div></div>
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<div class="ttc" id="aclass_qwt_painter_html_a2825f068a54e21e885235235daac3ec7"><div class="ttname"><a href="class_qwt_painter.html#a2825f068a54e21e885235235daac3ec7">QwtPainter::drawImage</a></div><div class="ttdeci">static void drawImage(QPainter *, const QRectF &, const QImage &)</div><div class="ttdoc">Wrapper for QPainter::drawImage()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8cpp_source.html#l00773">qwt_painter.cpp:773</a></div></div>
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<div class="ttc" id="aclass_qwt_painter_html_ae9af230df7bb8d40b802d4f3205a8631"><div class="ttname"><a href="class_qwt_painter.html#ae9af230df7bb8d40b802d4f3205a8631">QwtPainter::roundingAlignment</a></div><div class="ttdeci">static bool roundingAlignment()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8h_source.html#l00183">qwt_painter.h:183</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html"><div class="ttname"><a href="class_qwt_plot_item.html">QwtPlotItem</a></div><div class="ttdoc">Base class for items on the plot canvas.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8h_source.html#l00066">qwt_plot_item.h:67</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html_a08deefbedf8742f4877841b2dfd85822"><div class="ttname"><a href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">QwtPlotItem::paintRect</a></div><div class="ttdeci">QRectF paintRect(const QwtScaleMap &, const QwtScaleMap &) const</div><div class="ttdoc">Calculate the bounding paint rectangle of 2 maps.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8cpp_source.html#l00720">qwt_plot_item.cpp:720</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html_a57d90e4146133b59d589c71b3a643e82"><div class="ttname"><a href="class_qwt_plot_item.html#a57d90e4146133b59d589c71b3a643e82">QwtPlotItem::setZ</a></div><div class="ttdeci">void setZ(double z)</div><div class="ttdoc">Set the z value.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8cpp_source.html#l00165">qwt_plot_item.cpp:165</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html_a5a335be8ff488809a2cf7f4b734ad1b6"><div class="ttname"><a href="class_qwt_plot_item.html#a5a335be8ff488809a2cf7f4b734ad1b6">QwtPlotItem::setItemAttribute</a></div><div class="ttdeci">void setItemAttribute(ItemAttribute, bool on=true)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8cpp_source.html#l00228">qwt_plot_item.cpp:228</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html_ad956fdbce5b0721abccce6d09fe4d5ce"><div class="ttname"><a href="class_qwt_plot_item.html#ad956fdbce5b0721abccce6d09fe4d5ce">QwtPlotItem::itemChanged</a></div><div class="ttdeci">virtual void itemChanged()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8cpp_source.html#l00481">qwt_plot_item.cpp:481</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html_ae0fabcdd35f4818ce5bbe019b0eed062a4e377b54bd879c60a95162b6a9e9e176"><div class="ttname"><a href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062a4e377b54bd879c60a95162b6a9e9e176">QwtPlotItem::Legend</a></div><div class="ttdeci">@ Legend</div><div class="ttdoc">The item is represented on the legend.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8h_source.html#l00150">qwt_plot_item.h:150</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html_ae0fabcdd35f4818ce5bbe019b0eed062a9de83e2ad8a88796a36a11ef8b033a48"><div class="ttname"><a href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062a9de83e2ad8a88796a36a11ef8b033a48">QwtPlotItem::AutoScale</a></div><div class="ttdeci">@ AutoScale</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8h_source.html#l00157">qwt_plot_item.h:157</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_item_html_ae3651df9594cb48f8221f7b1cc7852ca"><div class="ttname"><a href="class_qwt_plot_item.html#ae3651df9594cb48f8221f7b1cc7852ca">QwtPlotItem::renderThreadCount</a></div><div class="ttdeci">uint renderThreadCount() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__item_8cpp_source.html#l00360">qwt_plot_item.cpp:360</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html"><div class="ttname"><a href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a></div><div class="ttdoc">A class, which displays raster data.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8h_source.html#l00037">qwt_plot_rasteritem.h:38</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a0244b24502abe26185b70b7ee6a4905c"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a0244b24502abe26185b70b7ee6a4905c">QwtPlotRasterItem::testPaintAttribute</a></div><div class="ttdeci">bool testPaintAttribute(PaintAttribute) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00482">qwt_plot_rasteritem.cpp:482</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a0d93dc1cd50a43bc10bc1b1bfd457a4c"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a0d93dc1cd50a43bc10bc1b1bfd457a4c">QwtPlotRasterItem::draw</a></div><div class="ttdeci">virtual void draw(QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const override</div><div class="ttdoc">Draw the raster data.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00614">qwt_plot_rasteritem.cpp:614</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a0da9b86321855e580d0e21d2939d5391"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a0da9b86321855e580d0e21d2939d5391">QwtPlotRasterItem::boundingRect</a></div><div class="ttdeci">virtual QRectF boundingRect() const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00788">qwt_plot_rasteritem.cpp:788</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a14f2ab8ec0994384e6269f869c352273"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a14f2ab8ec0994384e6269f869c352273">QwtPlotRasterItem::setAlpha</a></div><div class="ttdeci">void setAlpha(int alpha)</div><div class="ttdoc">Set an alpha value for the raster data.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00510">qwt_plot_rasteritem.cpp:510</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a1738b36c0e6e4073f3ad6629e7923f74"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74">QwtPlotRasterItem::renderImage</a></div><div class="ttdeci">virtual QImage renderImage(const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &area, const QSize &imageSize) const =0</div><div class="ttdoc">Render an image.</div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a2715233827c346ab15504dc75d6e9714"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a2715233827c346ab15504dc75d6e9714">QwtPlotRasterItem::~QwtPlotRasterItem</a></div><div class="ttdeci">virtual ~QwtPlotRasterItem()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00448">qwt_plot_rasteritem.cpp:448</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a31f74199f7e333c2683b0f18289e4c7f"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a31f74199f7e333c2683b0f18289e4c7f">QwtPlotRasterItem::setCachePolicy</a></div><div class="ttdeci">void setCachePolicy(CachePolicy)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00543">qwt_plot_rasteritem.cpp:543</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a547ce4d8d031b230226cfbd509ef65b5"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a547ce4d8d031b230226cfbd509ef65b5">QwtPlotRasterItem::invalidateCache</a></div><div class="ttdeci">void invalidateCache()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00568">qwt_plot_rasteritem.cpp:568</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a6a8ee7f74861bf13335044810174bd3c"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">QwtPlotRasterItem::alpha</a></div><div class="ttdeci">int alpha() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00530">qwt_plot_rasteritem.cpp:530</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a70d6b94821e5eafb29b1f045d1f3a2e6"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a70d6b94821e5eafb29b1f045d1f3a2e6">QwtPlotRasterItem::setPaintAttribute</a></div><div class="ttdeci">void setPaintAttribute(PaintAttribute, bool on=true)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00470">qwt_plot_rasteritem.cpp:470</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a71cc9ee02852dac4e5cf418e37563c9d"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a71cc9ee02852dac4e5cf418e37563c9d">QwtPlotRasterItem::PaintAttributes</a></div><div class="ttdeci">QFlags< PaintAttribute > PaintAttributes</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8h_source.html#l00083">qwt_plot_rasteritem.h:83</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a75ac68ea258b8612e8a1893e845394ee"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">QwtPlotRasterItem::PaintAttribute</a></div><div class="ttdeci">PaintAttribute</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8h_source.html#l00066">qwt_plot_rasteritem.h:67</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d">QwtPlotRasterItem::PaintInDeviceResolution</a></div><div class="ttdeci">@ PaintInDeviceResolution</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8h_source.html#l00081">qwt_plot_rasteritem.h:80</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a879bb4bc04be084022e9cc5abab748f3"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a879bb4bc04be084022e9cc5abab748f3">QwtPlotRasterItem::pixelHint</a></div><div class="ttdeci">virtual QRectF pixelHint(const QRectF &) const</div><div class="ttdoc">Pixel hint.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00601">qwt_plot_rasteritem.cpp:601</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a94929fc4c31c3dab75ee5adcac2d57b0"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a></div><div class="ttdeci">CachePolicy</div><div class="ttdoc">Cache policy The default policy is NoCache.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8h_source.html#l00044">qwt_plot_rasteritem.h:45</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a94929fc4c31c3dab75ee5adcac2d57b0a3bfb74bebbfe1ccabe1d6654fee7c56d"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a3bfb74bebbfe1ccabe1d6654fee7c56d">QwtPlotRasterItem::PaintCache</a></div><div class="ttdeci">@ PaintCache</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8h_source.html#l00060">qwt_plot_rasteritem.h:59</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e">QwtPlotRasterItem::NoCache</a></div><div class="ttdeci">@ NoCache</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8h_source.html#l00049">qwt_plot_rasteritem.h:49</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_ac537e137ad0d594a3276b0f76202a626"><div class="ttname"><a href="class_qwt_plot_raster_item.html#ac537e137ad0d594a3276b0f76202a626">QwtPlotRasterItem::QwtPlotRasterItem</a></div><div class="ttdeci">QwtPlotRasterItem(const QString &title=QString())</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00434">qwt_plot_rasteritem.cpp:434</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_ad64bb562d81ec0ccc7b4cfbf6bb9a133"><div class="ttname"><a href="class_qwt_plot_raster_item.html#ad64bb562d81ec0ccc7b4cfbf6bb9a133">QwtPlotRasterItem::imageMap</a></div><div class="ttdeci">virtual QwtScaleMap imageMap(Qt::Orientation, const QwtScaleMap &map, const QRectF &area, const QSize &imageSize, double pixelSize) const</div><div class="ttdoc">Calculate a scale map for painting to an image.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00927">qwt_plot_rasteritem.cpp:927</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_ae89258a78b262ccaad43c4a2d5f7b5b4"><div class="ttname"><a href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">QwtPlotRasterItem::interval</a></div><div class="ttdeci">virtual QwtInterval interval(Qt::Axis) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00778">qwt_plot_rasteritem.cpp:778</a></div></div>
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<div class="ttc" id="aclass_qwt_plot_raster_item_html_aec74de65bf6b566afd52db6dc4c67c46"><div class="ttname"><a href="class_qwt_plot_raster_item.html#aec74de65bf6b566afd52db6dc4c67c46">QwtPlotRasterItem::cachePolicy</a></div><div class="ttdeci">CachePolicy cachePolicy() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__rasteritem_8cpp_source.html#l00559">qwt_plot_rasteritem.cpp:559</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html"><div class="ttname"><a href="class_qwt_scale_map.html">QwtScaleMap</a></div><div class="ttdoc">A scale map.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00026">qwt_scale_map.h:27</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html_a283100be40b08db7df078b8a0ee1d19c"><div class="ttname"><a href="class_qwt_scale_map.html#a283100be40b08db7df078b8a0ee1d19c">QwtScaleMap::isInverting</a></div><div class="ttdeci">bool isInverting() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00164">qwt_scale_map.h:164</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html_a4d03a9fea3bd9b66a0b882b8b1a58f4b"><div class="ttname"><a href="class_qwt_scale_map.html#a4d03a9fea3bd9b66a0b882b8b1a58f4b">QwtScaleMap::p1</a></div><div class="ttdeci">double p1() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00099">qwt_scale_map.h:99</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html_a504f1627e0e02ddac03d2ce46507b865"><div class="ttname"><a href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">QwtScaleMap::transform</a></div><div class="ttdeci">double transform(double s) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00137">qwt_scale_map.h:137</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html_a994240e446986112f196a65657dc9755"><div class="ttname"><a href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">QwtScaleMap::setPaintInterval</a></div><div class="ttdeci">void setPaintInterval(double p1, double p2)</div><div class="ttdoc">Specify the borders of the paint device interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00119">qwt_scale_map.cpp:119</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html_aaa33bc8e1aed7aa17d345053194e7094"><div class="ttname"><a href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094">QwtScaleMap::setScaleInterval</a></div><div class="ttdeci">void setScaleInterval(double s1, double s2)</div><div class="ttdoc">Specify the borders of the scale interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00100">qwt_scale_map.cpp:100</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html_ab1ee6d62addf3f9cf091d425be9ac642"><div class="ttname"><a href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">QwtScaleMap::invTransform</a></div><div class="ttdeci">double invTransform(double p) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00154">qwt_scale_map.h:154</a></div></div>
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<div class="ttc" id="aclass_qwt_scale_map_html_acd78b70fae83854a148fa3d08b13c261"><div class="ttname"><a href="class_qwt_scale_map.html#acd78b70fae83854a148fa3d08b13c261">QwtScaleMap::p2</a></div><div class="ttdeci">double p2() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00107">qwt_scale_map.h:107</a></div></div>
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<div class="ttc" id="aclass_qwt_text_html"><div class="ttname"><a href="class_qwt_text.html">QwtText</a></div><div class="ttdoc">A class representing a text.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text_8h_source.html#l00051">qwt_text.h:52</a></div></div>
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