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<div class="title">qwt_text_engine.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_text_engine.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_painter.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <qpainter.h></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qpixmap.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qimage.h></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <qmap.h></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <qwidget.h></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <qtextobject.h></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <qtextdocument.h></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <qabstracttextdocumentlayout.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">static</span> QString taggedRichText( <span class="keyword">const</span> QString& text, <span class="keywordtype">int</span> flags )</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  QString richText = text;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="comment">// By default QSimpleRichText is Qt::AlignLeft</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">if</span> ( flags & Qt::AlignJustify )</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  richText.prepend( QLatin1String( <span class="stringliteral">"<div align=\"justify\">"</span> ) );</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  richText.append( QLatin1String ( <span class="stringliteral">"</div>"</span> ) );</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( flags & Qt::AlignRight )</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>  richText.prepend( QLatin1String ( <span class="stringliteral">"<div align=\"right\">"</span> ) );</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  richText.append( QLatin1String ( <span class="stringliteral">"</div>"</span> ) );</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( flags & Qt::AlignHCenter )</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>  richText.prepend( QLatin1String ( <span class="stringliteral">"<div align=\"center\">"</span> ) );</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  richText.append( QLatin1String ( <span class="stringliteral">"</div>"</span> ) );</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  }</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> richText;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace</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>  <span class="keyword">class </span>QwtRichTextDocument : <span class="keyword">public</span> QTextDocument</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  QwtRichTextDocument( <span class="keyword">const</span> QString& text, <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QFont& font )</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  setUndoRedoEnabled( <span class="keyword">false</span> );</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  setDefaultFont( font );</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  setHtml( text );</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="comment">// make sure we have a document layout</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  ( void )documentLayout();</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>  QTextOption option = defaultTextOption();</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> ( flags & Qt::TextWordWrap )</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  option.setWrapMode( QTextOption::WordWrap );</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  option.setWrapMode( QTextOption::NoWrap );</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  option.setAlignment( <span class="keyword">static_cast<</span> Qt::Alignment <span class="keyword">></span>( flags ) );</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  setDefaultTextOption( option );</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>  QTextFrame* root = rootFrame();</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  QTextFrameFormat fm = root->frameFormat();</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  fm.setBorder( 0 );</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  fm.setMargin( 0 );</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  fm.setPadding( 0 );</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  fm.setBottomMargin( 0 );</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  fm.setLeftMargin( 0 );</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  root->setFrameFormat( fm );</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>  adjustSize();</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>  };</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">class </span>QwtPlainTextEngine::PrivateData</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>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">int</span> effectiveAscent( <span class="keyword">const</span> QFont& font )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> QString fontKey = font.key();</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="class_q_map.html">QMap< QString, int >::const_iterator</a> it =</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  m_ascentCache.constFind( fontKey );</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> ( it != m_ascentCache.constEnd() )</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> *it;</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>  <span class="keyword">const</span> <span class="keywordtype">int</span> ascent = findAscent( font );</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  m_ascentCache.insert( fontKey, ascent );</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> ascent;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</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="keyword">private</span>:</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> findAscent( <span class="keyword">const</span> QFont& font )</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">static</span> <span class="keyword">const</span> QString dummy( <span class="stringliteral">"E"</span> );</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">static</span> <span class="keyword">const</span> QColor white( Qt::white );</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>  <span class="keyword">const</span> QFontMetrics fm( font );</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  QPixmap pm( <a class="code" href="class_qwt_painter.html#af66a967fc49ff6deae32c3fd3826045b">QwtPainter::horizontalAdvance</a>( fm, dummy ), fm.height() );</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  pm.fill( white );</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  QPainter p( &pm );</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  p.setFont( font );</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  p.drawText( 0, 0, pm.width(), pm.height(), 0, dummy );</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  p.end();</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">const</span> QImage img = pm.toImage();</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">int</span> row = 0;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">for</span> ( row = 0; row < img.height(); row++ )</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> QRgb* line = <span class="keyword">reinterpret_cast<</span> <span class="keyword">const </span>QRgb* <span class="keyword">></span>(</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  img.scanLine( row ) );</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </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">int</span> w = pm.width();</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> col = 0; col < w; col++ )</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> ( line[col] != white.rgb() )</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> fm.ascent() - row + 1;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> fm.ascent();</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</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>  <span class="keyword">mutable</span> <a class="code" href="class_q_map.html">QMap< QString, int ></a> m_ascentCache;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> };</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
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<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="class_qwt_text_engine.html#a97c5ef76ee920ab0f19e178e85017d9d"> 141</a></span> <a class="code" href="class_qwt_text_engine.html#a97c5ef76ee920ab0f19e178e85017d9d">QwtTextEngine::QwtTextEngine</a>()</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> }</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="l00146"></a><span class="lineno"><a class="line" href="class_qwt_text_engine.html#adda9e23494429c54b3cc3452940fb2bc"> 146</a></span> <a class="code" href="class_qwt_text_engine.html#adda9e23494429c54b3cc3452940fb2bc">QwtTextEngine::~QwtTextEngine</a>()</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> }</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
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<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html#a0ad29b2229a879afe49b546704eb7079"> 151</a></span> <a class="code" href="class_qwt_plain_text_engine.html#a0ad29b2229a879afe49b546704eb7079">QwtPlainTextEngine::QwtPlainTextEngine</a>()</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>  m_data = <span class="keyword">new</span> PrivateData;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html#a0ada8796b2caaff7bb8d61e9fb1b5143"> 157</a></span> <a class="code" href="class_qwt_plain_text_engine.html#a0ada8796b2caaff7bb8d61e9fb1b5143">QwtPlainTextEngine::~QwtPlainTextEngine</a>()</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>  <span class="keyword">delete</span> m_data;</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>  </div>
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<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html#a0945714b810f806ae1338d6e3718d63e"> 172</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_plain_text_engine.html#a0945714b810f806ae1338d6e3718d63e">QwtPlainTextEngine::heightForWidth</a>( <span class="keyword">const</span> QFont& font, <span class="keywordtype">int</span> flags,</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">const</span> QString& text, <span class="keywordtype">double</span> width )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">const</span> QFontMetricsF fm( font );</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> QRectF rect = fm.boundingRect(</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  QRectF( 0, 0, width, QWIDGETSIZE_MAX ), flags, text );</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> rect.height();</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> }</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="l00191"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html#a2c84f6ff5615a9118e9e65340d5529f0"> 191</a></span> QSizeF <a class="code" href="class_qwt_plain_text_engine.html#a2c84f6ff5615a9118e9e65340d5529f0">QwtPlainTextEngine::textSize</a>( <span class="keyword">const</span> QFont& font,</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString& text )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> QFontMetricsF fm( font );</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> QRectF rect = fm.boundingRect(</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  QRectF( 0, 0, QWIDGETSIZE_MAX, QWIDGETSIZE_MAX ), flags, text );</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">return</span> rect.size();</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>  </div>
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<div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html#a10ca5c93726c523cc0b167afa5a4bac0"> 210</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plain_text_engine.html#a10ca5c93726c523cc0b167afa5a4bac0">QwtPlainTextEngine::textMargins</a>( <span class="keyword">const</span> QFont& font, <span class="keyword">const</span> QString&,</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</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>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  left = right = top = 0;</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>  <span class="keyword">const</span> QFontMetricsF fm( font );</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  top = fm.ascent() - m_data->effectiveAscent( font );</div>
|
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  bottom = fm.descent();</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>  </div>
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<div class="line"><a name="l00230"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html#a3f7c5cde543fd1dbb2420d5a1c619767"> 230</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plain_text_engine.html#a3f7c5cde543fd1dbb2420d5a1c619767">QwtPlainTextEngine::draw</a>( QPainter* painter, <span class="keyword">const</span> QRectF& rect,</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString& text )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="class_qwt_painter.html#a6ccfe385330f1e2f7e7b765ab0defa06">QwtPainter::drawText</a>( painter, rect, flags, text );</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>  </div>
|
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<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="class_qwt_plain_text_engine.html#aa6c7018d2a70422213129173f771f708"> 240</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plain_text_engine.html#aa6c7018d2a70422213129173f771f708">QwtPlainTextEngine::mightRender</a>( <span class="keyword">const</span> QString& )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div>
|
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
|
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#ifndef QT_NO_RICHTEXT</span></div>
|
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="class_qwt_rich_text_engine.html#aa4c1d5a1ee88d7406ba1d6453005b46a"> 248</a></span> <a class="code" href="class_qwt_rich_text_engine.html#aa4c1d5a1ee88d7406ba1d6453005b46a">QwtRichTextEngine::QwtRichTextEngine</a>()</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> {</div>
|
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
|
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<div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="class_qwt_rich_text_engine.html#a6f771bfd843aa0b73054b9614d581cd0"> 262</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_rich_text_engine.html#a6f771bfd843aa0b73054b9614d581cd0">QwtRichTextEngine::heightForWidth</a>( <span class="keyword">const</span> QFont& font, <span class="keywordtype">int</span> flags,</div>
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|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">const</span> QString& text, <span class="keywordtype">double</span> width )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="keyword"></span>{</div>
|
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  QwtRichTextDocument doc( text, flags, font );</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
|
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  doc.setPageSize( QSizeF( width, QWIDGETSIZE_MAX ) );</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">return</span> doc.documentLayout()->documentSize().height();</div>
|
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> }</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
|
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<div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="class_qwt_rich_text_engine.html#a0d1f78b85935ecbff2bf5ea8cb84ba14"> 281</a></span> QSizeF <a class="code" href="class_qwt_rich_text_engine.html#a0d1f78b85935ecbff2bf5ea8cb84ba14">QwtRichTextEngine::textSize</a>( <span class="keyword">const</span> QFont& font,</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString& text )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="keyword"></span>{</div>
|
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  QwtRichTextDocument doc( text, flags, font );</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  QTextOption option = doc.defaultTextOption();</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> ( option.wrapMode() != QTextOption::NoWrap )</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  {</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  option.setWrapMode( QTextOption::NoWrap );</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  doc.setDefaultTextOption( option );</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  doc.adjustSize();</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>  </div>
|
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> doc.size();</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"><a class="line" href="class_qwt_rich_text_engine.html#abdcff7491057afe90c168c49c339b01d"> 305</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_rich_text_engine.html#abdcff7491057afe90c168c49c339b01d">QwtRichTextEngine::draw</a>( QPainter* painter, <span class="keyword">const</span> QRectF& rect,</div>
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|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString& text )<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  QwtRichTextDocument doc( text, flags, painter->font() );</div>
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|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <a class="code" href="class_qwt_painter.html#a1a44fdbb66452b38d57369a485da3971">QwtPainter::drawSimpleRichText</a>( painter, rect, flags, doc );</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> }</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  </div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> QString QwtRichTextEngine::taggedText( <span class="keyword">const</span> QString& text, <span class="keywordtype">int</span> flags )<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> taggedRichText( text, flags );</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div>
|
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
|
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<div class="line"><a name="l00331"></a><span class="lineno"><a class="line" href="class_qwt_rich_text_engine.html#a548d48e5e5a2202e83c51e7b61ae7328"> 331</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_rich_text_engine.html#a548d48e5e5a2202e83c51e7b61ae7328">QwtRichTextEngine::mightRender</a>( <span class="keyword">const</span> QString& text )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">return</span> Qt::mightBeRichText( text );</div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> }</div>
|
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div>
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<div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="class_qwt_rich_text_engine.html#a2790acb2618c446ed6707a07d1a4c811"> 344</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_rich_text_engine.html#a2790acb2618c446ed6707a07d1a4c811">QwtRichTextEngine::textMargins</a>( <span class="keyword">const</span> QFont&, <span class="keyword">const</span> QString&,</div>
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|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</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>
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|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  left = right = top = bottom = 0;</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> }</div>
|
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  </div>
|
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="preprocessor">#endif </span><span class="comment">// !QT_NO_RICHTEXT</span></div>
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<div class="ttc" id="aclass_q_map_html"><div class="ttname"><a href="class_q_map.html">QMap</a></div><div class="ttdef"><b>Definition:</b> <a href="qwt__compass_8h_source.html#l00019">qwt_compass.h:19</a></div></div>
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<div class="ttc" id="aclass_qwt_painter_html_a1a44fdbb66452b38d57369a485da3971"><div class="ttname"><a href="class_qwt_painter.html#a1a44fdbb66452b38d57369a485da3971">QwtPainter::drawSimpleRichText</a></div><div class="ttdeci">static void drawSimpleRichText(QPainter *, const QRectF &, int flags, const QTextDocument &)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8cpp_source.html#l00489">qwt_painter.cpp:489</a></div></div>
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<div class="ttc" id="aclass_qwt_painter_html_a6ccfe385330f1e2f7e7b765ab0defa06"><div class="ttname"><a href="class_qwt_painter.html#a6ccfe385330f1e2f7e7b765ab0defa06">QwtPainter::drawText</a></div><div class="ttdeci">static void drawText(QPainter *, qreal x, qreal y, const QString &)</div><div class="ttdoc">Wrapper for QPainter::drawText()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8cpp_source.html#l00438">qwt_painter.cpp:438</a></div></div>
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<div class="ttc" id="aclass_qwt_painter_html_af66a967fc49ff6deae32c3fd3826045b"><div class="ttname"><a href="class_qwt_painter.html#af66a967fc49ff6deae32c3fd3826045b">QwtPainter::horizontalAdvance</a></div><div class="ttdeci">static int horizontalAdvance(const QFontMetrics &, const QString &)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8cpp_source.html#l01379">qwt_painter.cpp:1379</a></div></div>
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<div class="ttc" id="aclass_qwt_plain_text_engine_html_a0945714b810f806ae1338d6e3718d63e"><div class="ttname"><a href="class_qwt_plain_text_engine.html#a0945714b810f806ae1338d6e3718d63e">QwtPlainTextEngine::heightForWidth</a></div><div class="ttdeci">virtual double heightForWidth(const QFont &font, int flags, const QString &text, double width) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00172">qwt_text_engine.cpp:172</a></div></div>
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<div class="ttc" id="aclass_qwt_plain_text_engine_html_a0ad29b2229a879afe49b546704eb7079"><div class="ttname"><a href="class_qwt_plain_text_engine.html#a0ad29b2229a879afe49b546704eb7079">QwtPlainTextEngine::QwtPlainTextEngine</a></div><div class="ttdeci">QwtPlainTextEngine()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00151">qwt_text_engine.cpp:151</a></div></div>
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<div class="ttc" id="aclass_qwt_plain_text_engine_html_a0ada8796b2caaff7bb8d61e9fb1b5143"><div class="ttname"><a href="class_qwt_plain_text_engine.html#a0ada8796b2caaff7bb8d61e9fb1b5143">QwtPlainTextEngine::~QwtPlainTextEngine</a></div><div class="ttdeci">virtual ~QwtPlainTextEngine()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00157">qwt_text_engine.cpp:157</a></div></div>
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<div class="ttc" id="aclass_qwt_plain_text_engine_html_a10ca5c93726c523cc0b167afa5a4bac0"><div class="ttname"><a href="class_qwt_plain_text_engine.html#a10ca5c93726c523cc0b167afa5a4bac0">QwtPlainTextEngine::textMargins</a></div><div class="ttdeci">virtual void textMargins(const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00210">qwt_text_engine.cpp:210</a></div></div>
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<div class="ttc" id="aclass_qwt_plain_text_engine_html_a2c84f6ff5615a9118e9e65340d5529f0"><div class="ttname"><a href="class_qwt_plain_text_engine.html#a2c84f6ff5615a9118e9e65340d5529f0">QwtPlainTextEngine::textSize</a></div><div class="ttdeci">virtual QSizeF textSize(const QFont &font, int flags, const QString &text) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00191">qwt_text_engine.cpp:191</a></div></div>
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<div class="ttc" id="aclass_qwt_plain_text_engine_html_a3f7c5cde543fd1dbb2420d5a1c619767"><div class="ttname"><a href="class_qwt_plain_text_engine.html#a3f7c5cde543fd1dbb2420d5a1c619767">QwtPlainTextEngine::draw</a></div><div class="ttdeci">virtual void draw(QPainter *, const QRectF &rect, int flags, const QString &text) const override</div><div class="ttdoc">Draw the text in a clipping rectangle.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00230">qwt_text_engine.cpp:230</a></div></div>
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<div class="ttc" id="aclass_qwt_plain_text_engine_html_aa6c7018d2a70422213129173f771f708"><div class="ttname"><a href="class_qwt_plain_text_engine.html#aa6c7018d2a70422213129173f771f708">QwtPlainTextEngine::mightRender</a></div><div class="ttdeci">virtual bool mightRender(const QString &) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00240">qwt_text_engine.cpp:240</a></div></div>
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<div class="ttc" id="aclass_qwt_rich_text_engine_html_a0d1f78b85935ecbff2bf5ea8cb84ba14"><div class="ttname"><a href="class_qwt_rich_text_engine.html#a0d1f78b85935ecbff2bf5ea8cb84ba14">QwtRichTextEngine::textSize</a></div><div class="ttdeci">virtual QSizeF textSize(const QFont &font, int flags, const QString &text) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00281">qwt_text_engine.cpp:281</a></div></div>
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<div class="ttc" id="aclass_qwt_rich_text_engine_html_a2790acb2618c446ed6707a07d1a4c811"><div class="ttname"><a href="class_qwt_rich_text_engine.html#a2790acb2618c446ed6707a07d1a4c811">QwtRichTextEngine::textMargins</a></div><div class="ttdeci">virtual void textMargins(const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00344">qwt_text_engine.cpp:344</a></div></div>
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<div class="ttc" id="aclass_qwt_rich_text_engine_html_a548d48e5e5a2202e83c51e7b61ae7328"><div class="ttname"><a href="class_qwt_rich_text_engine.html#a548d48e5e5a2202e83c51e7b61ae7328">QwtRichTextEngine::mightRender</a></div><div class="ttdeci">virtual bool mightRender(const QString &) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00331">qwt_text_engine.cpp:331</a></div></div>
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<div class="ttc" id="aclass_qwt_rich_text_engine_html_a6f771bfd843aa0b73054b9614d581cd0"><div class="ttname"><a href="class_qwt_rich_text_engine.html#a6f771bfd843aa0b73054b9614d581cd0">QwtRichTextEngine::heightForWidth</a></div><div class="ttdeci">virtual double heightForWidth(const QFont &font, int flags, const QString &text, double width) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00262">qwt_text_engine.cpp:262</a></div></div>
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<div class="ttc" id="aclass_qwt_rich_text_engine_html_aa4c1d5a1ee88d7406ba1d6453005b46a"><div class="ttname"><a href="class_qwt_rich_text_engine.html#aa4c1d5a1ee88d7406ba1d6453005b46a">QwtRichTextEngine::QwtRichTextEngine</a></div><div class="ttdeci">QwtRichTextEngine()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00248">qwt_text_engine.cpp:248</a></div></div>
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<div class="ttc" id="aclass_qwt_rich_text_engine_html_abdcff7491057afe90c168c49c339b01d"><div class="ttname"><a href="class_qwt_rich_text_engine.html#abdcff7491057afe90c168c49c339b01d">QwtRichTextEngine::draw</a></div><div class="ttdeci">virtual void draw(QPainter *, const QRectF &rect, int flags, const QString &text) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00305">qwt_text_engine.cpp:305</a></div></div>
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<div class="ttc" id="aclass_qwt_text_engine_html_a97c5ef76ee920ab0f19e178e85017d9d"><div class="ttname"><a href="class_qwt_text_engine.html#a97c5ef76ee920ab0f19e178e85017d9d">QwtTextEngine::QwtTextEngine</a></div><div class="ttdeci">QwtTextEngine()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00141">qwt_text_engine.cpp:141</a></div></div>
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<div class="ttc" id="aclass_qwt_text_engine_html_adda9e23494429c54b3cc3452940fb2bc"><div class="ttname"><a href="class_qwt_text_engine.html#adda9e23494429c54b3cc3452940fb2bc">QwtTextEngine::~QwtTextEngine</a></div><div class="ttdeci">virtual ~QwtTextEngine()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__engine_8cpp_source.html#l00146">qwt_text_engine.cpp:146</a></div></div>
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