qwt__graphic_8h_source.html
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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_GRAPHIC_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define QWT_GRAPHIC_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 "qwt_null_paintdevice.h"</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qmetatype.h></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <qimage.h></span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <qpixmap.h></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">class </span><a class="code" href="class_qwt_painter_command.html">QwtPainterCommand</a>;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="code" href="class_qwt_graphic.html"> 76</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_null_paint_device.html" title="A null paint device doing nothing.">QwtNullPaintDevice</a></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="class_qwt_graphic.html#a3f87dcc606b131ed6c3cfeead1d6de03"> 83</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_graphic.html#a3f87dcc606b131ed6c3cfeead1d6de03">RenderHint</a></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="class_qwt_graphic.html#a3f87dcc606b131ed6c3cfeead1d6de03ab70056f66aa75fb24c834cb3da7b0133"> 93</a></span>  RenderPensUnscaled = 0x1</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  };</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="code" href="class_qwt_graphic.html#ac239a34c1c3fe47a3a57b70331c0d2fa"> 101</a></span>  <span class="keyword">typedef</span> QFlags<RenderHint> <a class="code" href="class_qwt_graphic.html#ac239a34c1c3fe47a3a57b70331c0d2fa" title="Render hints.">RenderHints</a>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a>();</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a> & );</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a>();</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a>& operator=( <span class="keyword">const</span> <a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a> & );</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="keywordtype">void</span> reset();</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">bool</span> isNull() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">bool</span> isEmpty() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">void</span> render( QPainter * ) <span class="keyword">const</span>;</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> render( QPainter *, <span class="keyword">const</span> QSizeF &, </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  Qt::AspectRatioMode = Qt::IgnoreAspectRatio ) <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> render( QPainter *, <span class="keyword">const</span> QRectF &, </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  Qt::AspectRatioMode = Qt::IgnoreAspectRatio ) <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> render( QPainter *, <span class="keyword">const</span> QPointF &,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  Qt::Alignment = Qt::AlignTop | Qt::AlignLeft ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  QPixmap toPixmap() <span class="keyword">const</span>; </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  QPixmap toPixmap( <span class="keyword">const</span> QSize &, </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  Qt::AspectRatioMode = Qt::IgnoreAspectRatio ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  QImage toImage() <span class="keyword">const</span>; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  QImage toImage( <span class="keyword">const</span> QSize &, </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  Qt::AspectRatioMode = Qt::IgnoreAspectRatio ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  QRectF scaledBoundingRect( <span class="keywordtype">double</span> sx, <span class="keywordtype">double</span> sy ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  QRectF boundingRect() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  QRectF controlPointRect() <span class="keyword">const</span>;</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">const</span> QVector< QwtPainterCommand > &commands() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">void</span> setCommands( QVector< QwtPainterCommand > & );</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">void</span> setDefaultSize( <span class="keyword">const</span> QSizeF & );</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  QSizeF defaultSize() <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>  <span class="keywordtype">void</span> setRenderHint( <a class="code" href="class_qwt_graphic.html#a3f87dcc606b131ed6c3cfeead1d6de03">RenderHint</a>, <span class="keywordtype">bool</span> on = <span class="keyword">true</span> );</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">bool</span> testRenderHint( <a class="code" href="class_qwt_graphic.html#a3f87dcc606b131ed6c3cfeead1d6de03">RenderHint</a> ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">virtual</span> QSize <a class="code" href="class_qwt_null_paint_device.html#ab95def8c9d76d4fa6142458fd5ea4970">sizeMetrics</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_null_paint_device.html#a1df889689ff1e29a0f864be5ac809ada" title="See QPaintEngine::drawPath()">drawPath</a>( <span class="keyword">const</span> QPainterPath & );</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_null_paint_device.html#a1a0a2f22ea26bdf74becd5e5813f8f6f" title="See QPaintEngine::drawPixmap()">drawPixmap</a>( <span class="keyword">const</span> QRectF &,</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> QPixmap &, <span class="keyword">const</span> QRectF & );</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_null_paint_device.html#a6a18a677959e446b34419d398d4fc4c7" title="See QPaintEngine::drawImage()">drawImage</a>( <span class="keyword">const</span> QRectF &,</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">const</span> QImage &, <span class="keyword">const</span> QRectF &, Qt::ImageConversionFlags );</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_null_paint_device.html#a235bd4e1453a13f7c4c076a9595a8840" title="See QPaintEngine::updateState()">updateState</a>( <span class="keyword">const</span> QPaintEngineState &state );</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">void</span> updateBoundingRect( <span class="keyword">const</span> QRectF & );</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">void</span> updateControlPointRect( <span class="keyword">const</span> QRectF & );</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">class </span>PathInfo;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">class </span>PrivateData;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  PrivateData *d_data;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> };</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> Q_DECLARE_OPERATORS_FOR_FLAGS( <a class="code" href="class_qwt_graphic.html#ac239a34c1c3fe47a3a57b70331c0d2fa" title="Render hints.">QwtGraphic::RenderHints</a> )</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> Q_DECLARE_METATYPE( <a class="code" href="class_qwt_graphic.html" title="A paint device for scalable graphics.">QwtGraphic</a> )</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor">#endif</span></div>
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