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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><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><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><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef QWT_PLOT_RASTERITEM_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define QWT_PLOT_RASTERITEM_H</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_global.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "qwt_plot_item.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "qwt_interval.h"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <qglobal.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <qstring.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <qimage.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html"> 37</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0"> 44</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e"> 49</a></span>  <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e">NoCache</a>,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a3bfb74bebbfe1ccabe1d6654fee7c56d"> 59</a></span>  PaintCache</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  };</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee"> 66</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d"> 80</a></span>  PaintInDeviceResolution = 1</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  };</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a"> 84</a></span>  <span class="keyword">typedef</span> QFlags<PaintAttribute> <a class="code" href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a">PaintAttributes</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a>( <span class="keyword">const</span> QString& title = QString() );</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a>& title );</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a>();</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">void</span> setPaintAttribute( <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a>, <span class="keywordtype">bool</span> on = <span class="keyword">true</span> );</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">bool</span> testPaintAttribute( <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> ) <span class="keyword">const</span>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">void</span> setAlpha( <span class="keywordtype">int</span> alpha );</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> alpha() <span class="keyword">const</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">void</span> setCachePolicy( <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a> );</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a> cachePolicy() <span class="keyword">const</span>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">void</span> invalidateCache();</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_item.html#a0b0d6589d5db81ce72e6b33c4fbb21f9">draw</a>( QPainter *,</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</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="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> QRectF &canvasRect ) <span class="keyword">const</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">virtual</span> QRectF pixelHint( <span class="keyword">const</span> QRectF & ) <span class="keyword">const</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> interval(Qt::Axis) <span class="keyword">const</span>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">virtual</span> QRectF <a class="code" href="class_qwt_plot_item.html#aebc6a6627f293f62e1d07006b11912cc">boundingRect</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">virtual</span> QImage renderImage( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> &xMap,</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> &yMap, <span class="keyword">const</span> QRectF &area,</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> QSize &imageSize ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> imageMap( Qt::Orientation,</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</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="l00133"></a><span class="lineno"> 133</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="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a> & );</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a> &operator=( <span class="keyword">const</span> <a class="code" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a> & );</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">void</span> init();</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  QImage compose( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> &, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> &,</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">const</span> QRectF &imageArea, <span class="keyword">const</span> QRectF &paintRect,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</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="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  PrivateData *d_data;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> };</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> Q_DECLARE_OPERATORS_FOR_FLAGS( <a class="code" href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a">QwtPlotRasterItem::PaintAttributes</a> )</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_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> qwt_plot_rasteritem.h:66</div></div>
<div class="ttc" id="class_qwt_plot_item_html_a0b0d6589d5db81ce72e6b33c4fbb21f9"><div class="ttname"><a href="class_qwt_plot_item.html#a0b0d6589d5db81ce72e6b33c4fbb21f9">QwtPlotItem::draw</a></div><div class="ttdeci">virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0</div><div class="ttdoc">Draw the item. </div></div>
<div class="ttc" id="class_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> qwt_plot_item.h:64</div></div>
<div class="ttc" id="class_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> qwt_text.h:51</div></div>
<div class="ttc" id="class_qwt_plot_raster_item_html_a6bde441d571c4943da01765dec2d4b4a"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a">QwtPlotRasterItem::PaintAttributes</a></div><div class="ttdeci">QFlags< PaintAttribute > PaintAttributes</div><div class="ttdoc">Paint attributes. </div><div class="ttdef"><b>Definition:</b> qwt_plot_rasteritem.h:84</div></div>
<div class="ttc" id="class_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> qwt_scale_map.h:30</div></div>
<div class="ttc" id="class_qwt_plot_raster_item_html_a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e"><div class="ttname"><a href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e">QwtPlotRasterItem::NoCache</a></div><div class="ttdef"><b>Definition:</b> qwt_plot_rasteritem.h:49</div></div>
<div class="ttc" id="class_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> qwt_plot_rasteritem.h:37</div></div>
<div class="ttc" id="class_qwt_plot_item_html_aebc6a6627f293f62e1d07006b11912cc"><div class="ttname"><a href="class_qwt_plot_item.html#aebc6a6627f293f62e1d07006b11912cc">QwtPlotItem::boundingRect</a></div><div class="ttdeci">virtual QRectF boundingRect() const</div><div class="ttdef"><b>Definition:</b> qwt_plot_item.cpp:537</div></div>
<div class="ttc" id="class_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> qwt_interval.h:26</div></div>
<div class="ttc" id="class_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> qwt_plot_rasteritem.h:44</div></div>
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