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 <span id="projectnumber">6.1-rc3</span>
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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_WIDGET_OVERLAY_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define QWT_WIDGET_OVERLAY_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></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 <qwidget.h></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qregion.h></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">class </span>QPainter;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html"> 40</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_widget_overlay.html" title="An overlay for a widget.">QwtWidgetOverlay</a>: <span class="keyword">public</span> QWidget</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#a413679fb15e072d5a404f237062b75fc"> 60</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_widget_overlay.html#a413679fb15e072d5a404f237062b75fc" title="Mask mode.">MaskMode</a></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#a413679fb15e072d5a404f237062b75fca58d7a0858b0aa58407bf598c907636fd"> 63</a></span>  <a class="code" href="class_qwt_widget_overlay.html#a413679fb15e072d5a404f237062b75fca58d7a0858b0aa58407bf598c907636fd" title="Don't use a mask.">NoMask</a>,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#a413679fb15e072d5a404f237062b75fcaa3c2ba9dd41304c6a6524ee5f7c70540"> 72</a></span>  <a class="code" href="class_qwt_widget_overlay.html#a413679fb15e072d5a404f237062b75fcaa3c2ba9dd41304c6a6524ee5f7c70540" title="Use maskHint() as mask.">MaskHint</a>,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#a413679fb15e072d5a404f237062b75fca263c0fea842a8d4957ded6f5e47f734e"> 84</a></span>  AlphaMask</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> </div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#aaa8358f3b841b733d69e62aa645783d8"> 102</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_widget_overlay.html#aaa8358f3b841b733d69e62aa645783d8" title="Render mode.">RenderMode</a></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#aaa8358f3b841b733d69e62aa645783d8a831530722d8dc0e42aabfbcacbb6ecc6"> 105</a></span>  <a class="code" href="class_qwt_widget_overlay.html#aaa8358f3b841b733d69e62aa645783d8a831530722d8dc0e42aabfbcacbb6ecc6" title="Copy the buffer, when using the raster paint engine.">AutoRenderMode</a>,</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#aaa8358f3b841b733d69e62aa645783d8a923e121c1d01bb72deb897a6f913aaf5"> 108</a></span>  <a class="code" href="class_qwt_widget_overlay.html#aaa8358f3b841b733d69e62aa645783d8a923e121c1d01bb72deb897a6f913aaf5" title="Always copy the buffer.">CopyAlphaMask</a>,</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="code" href="class_qwt_widget_overlay.html#aaa8358f3b841b733d69e62aa645783d8ab4b3bfef277a5231f8632a6800a256d8"> 111</a></span>  DrawOverlay</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  };</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="class_qwt_widget_overlay.html" title="An overlay for a widget.">QwtWidgetOverlay</a>( QWidget* );</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_widget_overlay.html" title="An overlay for a widget.">QwtWidgetOverlay</a>();</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">void</span> setMaskMode( MaskMode );</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  MaskMode maskMode() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">void</span> setRenderMode( RenderMode );</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  RenderMode renderMode() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">void</span> updateOverlay();</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> eventFilter( QObject *, QEvent *);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> paintEvent( QPaintEvent* event );</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> resizeEvent( QResizeEvent* event );</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> QRegion maskHint() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawOverlay( QPainter *painter ) <span class="keyword">const</span> = 0;</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="keyword">private</span>:</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">void</span> updateMask();</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">void</span> draw( QPainter * ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">class </span>PrivateData;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  PrivateData *d_data;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  uchar* m_rgbaBuffer;</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> <span class="preprocessor">#endif</span></div>
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