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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_TEXT_ENGINE_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define QWT_TEXT_ENGINE_H 1</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 <qsize.h></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">class </span>QFont;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">class </span>QRectF;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">class </span>QString;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">class </span>QPainter;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="class_qwt_text_engine.html"> 35</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a>();</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> heightForWidth( <span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> QString &text, <span class="keywordtype">double</span> width ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">virtual</span> QSizeF textSize( <span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> QString &text ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> mightRender( <span class="keyword">const</span> QString &text ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> textMargins( <span class="keyword">const</span> QFont &font, <span class="keyword">const</span> QString &text,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">double</span> &left, <span class="keywordtype">double</span> &right, <span class="keywordtype">double</span> &top, <span class="keywordtype">double</span> &bottom ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> draw( QPainter *painter, <span class="keyword">const</span> QRectF &rect,</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a>();</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> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html"> 113</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a></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="keyword">public</span>:</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a>();</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a>();</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_text_engine.html#aee891b14d90c817b8c73d551f623cc17">heightForWidth</a>( <span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> QString &text, <span class="keywordtype">double</span> width ) <span class="keyword">const</span>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">virtual</span> QSizeF <a class="code" href="class_qwt_text_engine.html#ad9382cc8ff22c6b3e448fce566a76178">textSize</a>( <span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> QString &text ) <span class="keyword">const</span>;</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">void</span> <a class="code" href="class_qwt_text_engine.html#ad727f58f9eebfec86369e7f2e5bf6a59">draw</a>( QPainter *painter, <span class="keyword">const</span> QRectF &rect,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text ) <span class="keyword">const</span>;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_text_engine.html#a98316f2f6f4f50216ceffbe9babe2901">mightRender</a>( <span class="keyword">const</span> QString & ) <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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text_engine.html#a83c8d3dc590b9914e9216c01e78e0838">textMargins</a>( <span class="keyword">const</span> QFont &, <span class="keyword">const</span> QString &,</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">double</span> &left, <span class="keywordtype">double</span> &right, <span class="keywordtype">double</span> &top, <span class="keywordtype">double</span> &bottom ) <span class="keyword">const</span>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  PrivateData *d_data;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> };</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</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="preprocessor">#ifndef QT_NO_RICHTEXT</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="class_qwt_rich_text_engine.html"> 147</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_rich_text_engine.html">QwtRichTextEngine</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a></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> <span class="keyword">public</span>:</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="class_qwt_rich_text_engine.html">QwtRichTextEngine</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="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_text_engine.html#aee891b14d90c817b8c73d551f623cc17">heightForWidth</a>( <span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> QString &text, <span class="keywordtype">double</span> width ) <span class="keyword">const</span>;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">virtual</span> QSizeF <a class="code" href="class_qwt_text_engine.html#ad9382cc8ff22c6b3e448fce566a76178">textSize</a>( <span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">const</span> QString &text ) <span class="keyword">const</span>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text_engine.html#ad727f58f9eebfec86369e7f2e5bf6a59">draw</a>( QPainter *painter, <span class="keyword">const</span> QRectF &rect,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text ) <span class="keyword">const</span>;</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">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_text_engine.html#a98316f2f6f4f50216ceffbe9babe2901">mightRender</a>( <span class="keyword">const</span> QString & ) <span class="keyword">const</span>;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text_engine.html#a83c8d3dc590b9914e9216c01e78e0838">textMargins</a>( <span class="keyword">const</span> QFont &, <span class="keyword">const</span> QString &,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">double</span> &left, <span class="keywordtype">double</span> &right, <span class="keywordtype">double</span> &top, <span class="keywordtype">double</span> &bottom ) <span class="keyword">const</span>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  QString taggedText( <span class="keyword">const</span> QString &, <span class="keywordtype">int</span> flags ) <span class="keyword">const</span>;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> };</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> <span class="preprocessor">#endif // !QT_NO_RICHTEXT</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_qwt_text_engine_html_a98316f2f6f4f50216ceffbe9babe2901"><div class="ttname"><a href="class_qwt_text_engine.html#a98316f2f6f4f50216ceffbe9babe2901">QwtTextEngine::mightRender</a></div><div class="ttdeci">virtual bool mightRender(const QString &text) const =0</div></div>
<div class="ttc" id="class_qwt_plain_text_engine_html"><div class="ttname"><a href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a></div><div class="ttdoc">A text engine for plain texts. </div><div class="ttdef"><b>Definition:</b> qwt_text_engine.h:113</div></div>
<div class="ttc" id="class_qwt_text_engine_html_ad727f58f9eebfec86369e7f2e5bf6a59"><div class="ttname"><a href="class_qwt_text_engine.html#ad727f58f9eebfec86369e7f2e5bf6a59">QwtTextEngine::draw</a></div><div class="ttdeci">virtual void draw(QPainter *painter, const QRectF &rect, int flags, const QString &text) const =0</div></div>
<div class="ttc" id="class_qwt_text_engine_html_ad9382cc8ff22c6b3e448fce566a76178"><div class="ttname"><a href="class_qwt_text_engine.html#ad9382cc8ff22c6b3e448fce566a76178">QwtTextEngine::textSize</a></div><div class="ttdeci">virtual QSizeF textSize(const QFont &font, int flags, const QString &text) const =0</div></div>
<div class="ttc" id="class_qwt_text_engine_html_aee891b14d90c817b8c73d551f623cc17"><div class="ttname"><a href="class_qwt_text_engine.html#aee891b14d90c817b8c73d551f623cc17">QwtTextEngine::heightForWidth</a></div><div class="ttdeci">virtual double heightForWidth(const QFont &font, int flags, const QString &text, double width) const =0</div></div>
<div class="ttc" id="class_qwt_rich_text_engine_html"><div class="ttname"><a href="class_qwt_rich_text_engine.html">QwtRichTextEngine</a></div><div class="ttdoc">A text engine for Qt rich texts. </div><div class="ttdef"><b>Definition:</b> qwt_text_engine.h:147</div></div>
<div class="ttc" id="class_qwt_text_engine_html_a83c8d3dc590b9914e9216c01e78e0838"><div class="ttname"><a href="class_qwt_text_engine.html#a83c8d3dc590b9914e9216c01e78e0838">QwtTextEngine::textMargins</a></div><div class="ttdeci">virtual void textMargins(const QFont &font, const QString &text, double &left, double &right, double &top, double &bottom) const =0</div></div>
<div class="ttc" id="class_qwt_text_engine_html"><div class="ttname"><a href="class_qwt_text_engine.html">QwtTextEngine</a></div><div class="ttdoc">Abstract base class for rendering text strings. </div><div class="ttdef"><b>Definition:</b> qwt_text_engine.h:35</div></div>
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