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<div class="title">qwt_date.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_date.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_math.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 <qdebug.h></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qlocale.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#if QT_VERSION >= 0x050000</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">typedef</span> qint64 QwtJulianDay;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">static</span> <span class="keyword">const</span> QwtJulianDay minJulianDayD = Q_INT64_C( -784350574879 );</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">static</span> <span class="keyword">const</span> QwtJulianDay maxJulianDayD = Q_INT64_C( 784354017364 );</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> <span class="preprocessor">#else</span></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">// QDate stores the Julian day as unsigned int, but</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// there is QDate::fromJulianDay( int ). That's why</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// we have the range [ 1, INT_MAX ]</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">typedef</span> <span class="keywordtype">int</span> QwtJulianDay;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">static</span> <span class="keyword">const</span> QwtJulianDay minJulianDayD = 1;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">static</span> <span class="keyword">const</span> QwtJulianDay maxJulianDayD = std::numeric_limits< int >::max();</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> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">static</span> QString qwtExpandedFormat( <span class="keyword">const</span> QString& format,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">const</span> QDateTime& dateTime, <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">QwtDate::Week0Type</a> week0Type )</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>  <span class="keyword">const</span> <span class="keywordtype">int</span> week = <a class="code" href="class_qwt_date.html#a90dd1f9dc38565c003f8e1ef821965b7">QwtDate::weekNumber</a>( dateTime.date(), week0Type );</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  QString weekNo;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  weekNo.setNum( week );</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  QString weekNoWW;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">if</span> ( weekNo.length() == 1 )</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  weekNoWW += QLatin1Char( <span class="charliteral">'0'</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>  weekNoWW += weekNo;</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>  QString fmt = format;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  fmt.replace( QLatin1String( <span class="stringliteral">"ww"</span> ), weekNoWW );</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  fmt.replace( QLatin1Char( <span class="charliteral">'w'</span> ), weekNo );</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> ( week == 1 && dateTime.date().month() != 1 )</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// in case of week 1, we might need to increment the year</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  QLatin1String s_yyyy( <span class="stringliteral">"yyyy"</span> );</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  QLatin1String s_yy( <span class="stringliteral">"yy"</span> );</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// week 1 might start in the previous year</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">bool</span> doReplaceYear = fmt.contains( s_yy );</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> ( doReplaceYear )</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> ( fmt.contains( <span class="charliteral">'M'</span> ) )</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>  <span class="comment">// in case of also having 'M' we have a conflict about</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// which year to show</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  doReplaceYear = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// in case of also having 'd' or 'dd' we have a conflict about</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// which year to show</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">int</span> numD = 0;</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>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < fmt.size(); i++ )</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="keywordflow">if</span> ( fmt[i] == <span class="charliteral">'d'</span> )</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>  numD++;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> ( numD > 0 && numD <= 2 )</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  numD = 0;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</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="keywordflow">if</span> ( numD > 0 && numD <= 2 )</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  doReplaceYear = <span class="keyword">false</span>;</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>  }</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>  <span class="keywordflow">if</span> ( doReplaceYear )</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> QDate dt( dateTime.date().year() + 1, 1, 1 );</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> QString dtString = QLocale().toString( dt, s_yyyy );</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> ( fmt.contains( s_yyyy ) )</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>  fmt.replace( s_yyyy, dtString );</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>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  fmt.replace( s_yy, dtString );</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> fmt;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</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="keyword">static</span> <span class="keyword">inline</span> Qt::DayOfWeek qwtFirstDayOfWeek()</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> QLocale().firstDayOfWeek();</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> qwtFloorTime(</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">QwtDate::IntervalType</a> intervalType, QDateTime& dt )</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// when dt is inside the special hour where DST is ending</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// an hour is no unique. Therefore we have to</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// use UTC time.</span></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>  <span class="keyword">const</span> Qt::TimeSpec timeSpec = dt.timeSpec();</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">if</span> ( timeSpec == Qt::LocalTime )</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  dt = dt.toTimeSpec( Qt::UTC );</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">const</span> QTime t = dt.time();</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">switch</span>( intervalType )</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="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">QwtDate::Second</a>:</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  dt.setTime( QTime( t.hour(), t.minute(), t.second() ) );</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">break</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="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">QwtDate::Minute</a>:</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  dt.setTime( QTime( t.hour(), t.minute(), 0 ) );</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">break</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="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">QwtDate::Hour</a>:</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  dt.setTime( QTime( t.hour(), 0, 0 ) );</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">break</span>;</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>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</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="keywordflow">if</span> ( timeSpec == Qt::LocalTime )</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  dt = dt.toTimeSpec( Qt::LocalTime );</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="l00162"></a><span class="lineno"> 162</span>  </div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">static</span> <span class="keyword">inline</span> QDateTime qwtToTimeSpec(</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> QDateTime& dt, Qt::TimeSpec spec )</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> {</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> ( dt.timeSpec() == spec )</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> dt;</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">const</span> qint64 jd = dt.date().toJulianDay();</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> ( jd < 0 || jd >= std::numeric_limits< int >::max() )</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// the conversion between local time and UTC</span></div>
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|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// is internally limited. To avoid</span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// overflows we simply ignore the difference</span></div>
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|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// for those dates</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  QDateTime dt2 = dt;</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  dt2.setTimeSpec( spec );</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> dt2;</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="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> dt.toTimeSpec( spec );</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> }</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor">#if 0</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> qwtToJulianDay( <span class="keywordtype">int</span> year, <span class="keywordtype">int</span> month, <span class="keywordtype">int</span> day )</div>
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|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> {</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// code from QDate but using doubles to avoid overflows</span></div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// for large values</span></div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> m1 = ( month - 14 ) / 12;</div>
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|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> m2 = ( 367 * ( month - 2 - 12 * m1 ) ) / 12;</div>
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|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y1 = std::floor( ( 4900.0 + year + m1 ) / 100 );</div>
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|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  </div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> std::floor( ( 1461.0 * ( year + 4800 + m1 ) ) / 4 ) + m2</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  - std::floor( ( 3 * y1 ) / 4 ) + day - 32075;</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">static</span> <span class="keyword">inline</span> qint64 qwtFloorDiv64( qint64 a, <span class="keywordtype">int</span> b )</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> {</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> ( a < 0 )</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  a -= b - 1;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> a / b;</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">static</span> <span class="keyword">inline</span> qint64 qwtFloorDiv( <span class="keywordtype">int</span> a, <span class="keywordtype">int</span> b )</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> {</div>
|
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">if</span> ( a < 0 )</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  a -= b - 1;</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> a / b;</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="keyword">static</span> <span class="keyword">inline</span> QDate qwtToDate( <span class="keywordtype">int</span> year, <span class="keywordtype">int</span> month = 1, <span class="keywordtype">int</span> day = 1 )</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> {</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#if QT_VERSION >= 0x050000</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> QDate( year, month, day );</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> ( year > 100000 )</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  {</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// code from QDate but using doubles to avoid overflows</span></div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// for large values</span></div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> m1 = ( month - 14 ) / 12;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> m2 = ( 367 * ( month - 2 - 12 * m1 ) ) / 12;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y1 = std::floor( ( 4900.0 + year + m1 ) / 100 );</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> jd = std::floor( ( 1461.0 * ( year + 4800 + m1 ) ) / 4 ) + m2</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  - std::floor( ( 3 * y1 ) / 4 ) + day - 32075;</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> ( jd > maxJulianDayD )</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  {</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  qWarning() << <span class="stringliteral">"qwtToDate: overflow"</span>;</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> QDate();</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span> QDate::fromJulianDay( <span class="keyword">static_cast<</span> QwtJulianDay <span class="keyword">></span>( jd ) );</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  {</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> QDate( year, month, day );</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"><a class="line" href="class_qwt_date.html#a8039dc115458981fc1c7fc2c0aa8d053"> 261</a></span> QDateTime <a class="code" href="class_qwt_date.html#a8039dc115458981fc1c7fc2c0aa8d053">QwtDate::toDateTime</a>( <span class="keywordtype">double</span> value, Qt::TimeSpec timeSpec )</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> {</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> msecsPerDay = 86400000;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> days = <span class="keyword">static_cast<</span> qint64 <span class="keyword">></span>( std::floor( value / msecsPerDay ) );</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> jd = <a class="code" href="class_qwt_date.html#a4ce8b94f88898974700d1931b390d67caed8ee8f3dbc5b7a5e953b3ec51a79108">QwtDate::JulianDayForEpoch</a> + days;</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> ( ( jd > maxJulianDayD ) || ( jd < minJulianDayD ) )</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  {</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  qWarning() << <span class="stringliteral">"QwtDate::toDateTime: overflow"</span>;</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> QDateTime();</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">const</span> QDate d = QDate::fromJulianDay( <span class="keyword">static_cast<</span> QwtJulianDay <span class="keyword">></span>( jd ) );</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> msecs = <span class="keyword">static_cast<</span> <span class="keywordtype">int</span> <span class="keyword">></span>( value - days * msecsPerDay );</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">static</span> <span class="keyword">const</span> QTime timeNull( 0, 0, 0, 0 );</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  QDateTime dt( d, timeNull.addMSecs( msecs ), Qt::UTC );</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> ( timeSpec == Qt::LocalTime )</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  dt = qwtToTimeSpec( dt, timeSpec );</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">return</span> dt;</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"><a class="line" href="class_qwt_date.html#afce10fd70f7a1ecac3f97776fb2dc46a"> 298</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_date.html#afce10fd70f7a1ecac3f97776fb2dc46a">QwtDate::toDouble</a>( <span class="keyword">const</span> QDateTime& dateTime )</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> {</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> msecsPerDay = 86400000;</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  </div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">const</span> QDateTime dt = qwtToTimeSpec( dateTime, Qt::UTC );</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  </div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> days = dt.date().toJulianDay() - <a class="code" href="class_qwt_date.html#a4ce8b94f88898974700d1931b390d67caed8ee8f3dbc5b7a5e953b3ec51a79108">QwtDate::JulianDayForEpoch</a>;</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keyword">const</span> QTime time = dt.time();</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> secs = 3600.0 * time.hour() +</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  60.0 * time.minute() + time.second();</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> days * msecsPerDay + time.msec() + 1000.0 * secs;</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> }</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ab4d7b043971e13a97a8b5f9edb5eee02"> 323</a></span> QDateTime <a class="code" href="class_qwt_date.html#ab4d7b043971e13a97a8b5f9edb5eee02">QwtDate::ceil</a>( <span class="keyword">const</span> QDateTime& dateTime, <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">IntervalType</a> intervalType )</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> {</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> ( dateTime.date() >= <a class="code" href="class_qwt_date.html#af82ba26011550602f1adb61da53bd830">QwtDate::maxDate</a>() )</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> dateTime;</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  QDateTime dt = dateTime;</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">switch</span> ( intervalType )</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1">QwtDate::Millisecond</a>:</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  {</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">QwtDate::Second</a>:</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  {</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  qwtFloorTime( <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">QwtDate::Second</a>, dt );</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span> ( dt < dateTime )</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  dt = dt.addSecs( 1 );</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  }</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">QwtDate::Minute</a>:</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  {</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  qwtFloorTime( <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">QwtDate::Minute</a>, dt );</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> ( dt < dateTime )</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  dt = dt.addSecs( 60 );</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  </div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">QwtDate::Hour</a>:</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  {</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  qwtFloorTime( <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">QwtDate::Hour</a>, dt );</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> ( dt < dateTime )</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  dt = dt.addSecs( 3600 );</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  </div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813">QwtDate::Day</a>:</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  {</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> ( dt < dateTime )</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  dt = dt.addDays( 1 );</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  </div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b">QwtDate::Week</a>:</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  {</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">if</span> ( dt < dateTime )</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  dt = dt.addDays( 1 );</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordtype">int</span> days = qwtFirstDayOfWeek() - dt.date().dayOfWeek();</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">if</span> ( days < 0 )</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  days += 7;</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  </div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  dt = dt.addDays( days );</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  </div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a">QwtDate::Month</a>:</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  {</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  dt.setDate( qwtToDate( dateTime.date().year(),</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  dateTime.date().month() ) );</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> ( dt < dateTime )</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  dt = dt.addMonths( 1 );</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  </div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae306523ed94ccf930afb811ff7a735ab">QwtDate::Year</a>:</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  {</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  </div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keyword">const</span> QDate d = dateTime.date();</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  </div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordtype">int</span> year = d.year();</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">if</span> ( d.month() > 1 || d.day() > 1 || !dateTime.time().isNull() )</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  year++;</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  </div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">if</span> ( year == 0 )</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  year++; <span class="comment">// there is no year 0</span></div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  </div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  dt.setDate( qwtToDate( year ) );</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  }</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  </div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">return</span> dt;</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> }</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"><a class="line" href="class_qwt_date.html#a1b350f22a57b44b529bc4de740dbe213"> 425</a></span> QDateTime <a class="code" href="class_qwt_date.html#a1b350f22a57b44b529bc4de740dbe213">QwtDate::floor</a>( <span class="keyword">const</span> QDateTime& dateTime,</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">IntervalType</a> intervalType )</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> {</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> ( dateTime.date() <= <a class="code" href="class_qwt_date.html#a9ab1845543957472c2c6529ad03ef98d">QwtDate::minDate</a>() )</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">return</span> dateTime;</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  </div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  QDateTime dt = dateTime;</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">switch</span> ( intervalType )</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  {</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1">QwtDate::Millisecond</a>:</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  {</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">QwtDate::Second</a>:</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">QwtDate::Minute</a>:</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">QwtDate::Hour</a>:</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  {</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  qwtFloorTime( intervalType, dt );</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813">QwtDate::Day</a>:</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  {</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  }</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b">QwtDate::Week</a>:</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  {</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  </div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordtype">int</span> days = dt.date().dayOfWeek() - qwtFirstDayOfWeek();</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">if</span> ( days < 0 )</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  days += 7;</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  </div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  dt = dt.addDays( -days );</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a">QwtDate::Month</a>:</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  {</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  </div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keyword">const</span> QDate date = qwtToDate( dt.date().year(),</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  dt.date().month() );</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  dt.setDate( date );</div>
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<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  </div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  }</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae306523ed94ccf930afb811ff7a735ab">QwtDate::Year</a>:</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  {</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  dt.setTime( QTime( 0, 0 ) );</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  </div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keyword">const</span> QDate date = qwtToDate( dt.date().year() );</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  dt.setDate( date );</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  </div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  </div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">return</span> dt;</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> }</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  </div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"><a class="line" href="class_qwt_date.html#a9ab1845543957472c2c6529ad03ef98d"> 499</a></span> QDate <a class="code" href="class_qwt_date.html#a9ab1845543957472c2c6529ad03ef98d">QwtDate::minDate</a>()</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> {</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">static</span> QDate date;</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">if</span> ( !date.isValid() )</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  date = QDate::fromJulianDay( minJulianDayD );</div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  </div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">return</span> date;</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> }</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  </div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"><a class="line" href="class_qwt_date.html#af82ba26011550602f1adb61da53bd830"> 521</a></span> QDate <a class="code" href="class_qwt_date.html#af82ba26011550602f1adb61da53bd830">QwtDate::maxDate</a>()</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> {</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">static</span> QDate date;</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">if</span> ( !date.isValid() )</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  date = QDate::fromJulianDay( maxJulianDayD );</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">return</span> date;</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> }</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  </div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"><a class="line" href="class_qwt_date.html#abb91fb441a254337d5445ad4bab1a662"> 542</a></span> QDate <a class="code" href="class_qwt_date.html#abb91fb441a254337d5445ad4bab1a662">QwtDate::dateOfWeek0</a>( <span class="keywordtype">int</span> year, <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">Week0Type</a> type )</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> {</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keyword">const</span> Qt::DayOfWeek firstDayOfWeek = qwtFirstDayOfWeek();</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  </div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  QDate dt0( year, 1, 1 );</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  </div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="comment">// floor to the first day of the week</span></div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordtype">int</span> days = dt0.dayOfWeek() - firstDayOfWeek;</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">if</span> ( days < 0 )</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  days += 7;</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  </div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  dt0 = dt0.addDays( -days );</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  </div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">if</span> ( type == <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1ea82971cd90d670fe3048ad8c377379c1d">QwtDate::FirstThursday</a> )</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  {</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">// according to ISO 8601 the first week is defined</span></div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">// by the first Thursday.</span></div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  </div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordtype">int</span> d = Qt::Thursday - firstDayOfWeek;</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">if</span> ( d < 0 )</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  d += 7;</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  </div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">if</span> ( dt0.addDays( d ).year() < year )</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  dt0 = dt0.addDays( 7 );</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  }</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  </div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">return</span> dt0;</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> }</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  </div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"><a class="line" href="class_qwt_date.html#a90dd1f9dc38565c003f8e1ef821965b7"> 585</a></span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_date.html#a90dd1f9dc38565c003f8e1ef821965b7">QwtDate::weekNumber</a>( <span class="keyword">const</span> QDate& date, <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">Week0Type</a> type )</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> {</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordtype">int</span> weekNo;</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  </div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> ( type == <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1eab5c50b8108f8c4535201c0c590a598d6">QwtDate::FirstDay</a> )</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  {</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  QDate day0;</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  </div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">if</span> ( date.month() == 12 && date.day() >= 24 )</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  {</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="comment">// week 1 usually starts in the previous years.</span></div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="comment">// and we have to check if we are already there</span></div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  </div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  day0 = <a class="code" href="class_qwt_date.html#abb91fb441a254337d5445ad4bab1a662">dateOfWeek0</a>( date.year() + 1, type );</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordflow">if</span> ( day0.daysTo( date ) < 0 )</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  day0 = <a class="code" href="class_qwt_date.html#abb91fb441a254337d5445ad4bab1a662">dateOfWeek0</a>( date.year(), type );</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  }</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  {</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  day0 = <a class="code" href="class_qwt_date.html#abb91fb441a254337d5445ad4bab1a662">dateOfWeek0</a>( date.year(), type );</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  }</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  </div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  weekNo = day0.daysTo( date ) / 7 + 1;</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  }</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  {</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  weekNo = date.weekNumber();</div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  </div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keywordflow">return</span> weekNo;</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> }</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  </div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"><a class="line" href="class_qwt_date.html#aeadce3496f631eae3a7e54749078c7a4"> 635</a></span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_date.html#aeadce3496f631eae3a7e54749078c7a4">QwtDate::utcOffset</a>( <span class="keyword">const</span> QDateTime& dateTime )</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> {</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordtype">int</span> seconds = 0;</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  </div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">switch</span>( dateTime.timeSpec() )</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  {</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">case</span> Qt::UTC:</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  {</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  }</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">case</span> Qt::OffsetFromUTC:</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  {</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> <span class="preprocessor">#if QT_VERSION >= 0x050200</span></div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  seconds = dateTime.offsetFromUtc();</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  seconds = dateTime.utcOffset();</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  {</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keyword">const</span> QDateTime dt1( dateTime.date(), dateTime.time(), Qt::UTC );</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  seconds = dateTime.secsTo( dt1 );</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  }</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  }</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  </div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">return</span> seconds;</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> }</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  </div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"><a class="line" href="class_qwt_date.html#a2c19998281321ba078d717f7f9ec6855"> 686</a></span> QString <a class="code" href="class_qwt_date.html#a2c19998281321ba078d717f7f9ec6855">QwtDate::toString</a>( <span class="keyword">const</span> QDateTime& dateTime,</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keyword">const</span> QString& format, <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">Week0Type</a> week0Type )</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> {</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  QString fmt = format;</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">if</span> ( fmt.contains( <span class="charliteral">'w'</span> ) )</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  {</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  fmt = qwtExpandedFormat( fmt, dateTime, week0Type );</div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  }</div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  </div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">return</span> QLocale().toString( dateTime, fmt );</div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> }</div>
|
|
<div class="ttc" id="aclass_qwt_date_html_a1b350f22a57b44b529bc4de740dbe213"><div class="ttname"><a href="class_qwt_date.html#a1b350f22a57b44b529bc4de740dbe213">QwtDate::floor</a></div><div class="ttdeci">static QDateTime floor(const QDateTime &, IntervalType)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00425">qwt_date.cpp:425</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_date_html_a2c19998281321ba078d717f7f9ec6855"><div class="ttname"><a href="class_qwt_date.html#a2c19998281321ba078d717f7f9ec6855">QwtDate::toString</a></div><div class="ttdeci">static QString toString(const QDateTime &, const QString &format, Week0Type)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00686">qwt_date.cpp:686</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_date_html_a4ce8b94f88898974700d1931b390d67caed8ee8f3dbc5b7a5e953b3ec51a79108"><div class="ttname"><a href="class_qwt_date.html#a4ce8b94f88898974700d1931b390d67caed8ee8f3dbc5b7a5e953b3ec51a79108">QwtDate::JulianDayForEpoch</a></div><div class="ttdeci">@ JulianDayForEpoch</div><div class="ttdoc">The Julian day of "The Epoch".</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00106">qwt_date.h:105</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_date_html_a8039dc115458981fc1c7fc2c0aa8d053"><div class="ttname"><a href="class_qwt_date.html#a8039dc115458981fc1c7fc2c0aa8d053">QwtDate::toDateTime</a></div><div class="ttdeci">static QDateTime toDateTime(double value, Qt::TimeSpec=Qt::UTC)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00261">qwt_date.cpp:261</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_date_html_a90dd1f9dc38565c003f8e1ef821965b7"><div class="ttname"><a href="class_qwt_date.html#a90dd1f9dc38565c003f8e1ef821965b7">QwtDate::weekNumber</a></div><div class="ttdeci">static int weekNumber(const QDate &, Week0Type)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00585">qwt_date.cpp:585</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_a9ab1845543957472c2c6529ad03ef98d"><div class="ttname"><a href="class_qwt_date.html#a9ab1845543957472c2c6529ad03ef98d">QwtDate::minDate</a></div><div class="ttdeci">static QDate minDate()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00499">qwt_date.cpp:499</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ab4d7b043971e13a97a8b5f9edb5eee02"><div class="ttname"><a href="class_qwt_date.html#ab4d7b043971e13a97a8b5f9edb5eee02">QwtDate::ceil</a></div><div class="ttdeci">static QDateTime ceil(const QDateTime &, IntervalType)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00323">qwt_date.cpp:323</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ab915db512c556a4666ada4fbfccfce1e"><div class="ttname"><a href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">QwtDate::Week0Type</a></div><div class="ttdeci">Week0Type</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00049">qwt_date.h:50</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ab915db512c556a4666ada4fbfccfce1ea82971cd90d670fe3048ad8c377379c1d"><div class="ttname"><a href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1ea82971cd90d670fe3048ad8c377379c1d">QwtDate::FirstThursday</a></div><div class="ttdeci">@ FirstThursday</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00058">qwt_date.h:58</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ab915db512c556a4666ada4fbfccfce1eab5c50b8108f8c4535201c0c590a598d6"><div class="ttname"><a href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1eab5c50b8108f8c4535201c0c590a598d6">QwtDate::FirstDay</a></div><div class="ttdeci">@ FirstDay</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00067">qwt_date.h:66</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_abb91fb441a254337d5445ad4bab1a662"><div class="ttname"><a href="class_qwt_date.html#abb91fb441a254337d5445ad4bab1a662">QwtDate::dateOfWeek0</a></div><div class="ttdeci">static QDate dateOfWeek0(int year, Week0Type)</div><div class="ttdoc">Date of the first day of the first week for a year.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00542">qwt_date.cpp:542</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">QwtDate::IntervalType</a></div><div class="ttdeci">IntervalType</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00075">qwt_date.h:76</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a">QwtDate::Month</a></div><div class="ttdeci">@ Month</div><div class="ttdoc">The interval is related to months.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00096">qwt_date.h:96</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813">QwtDate::Day</a></div><div class="ttdeci">@ Day</div><div class="ttdoc">The interval is related to days.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00090">qwt_date.h:90</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1">QwtDate::Millisecond</a></div><div class="ttdeci">@ Millisecond</div><div class="ttdoc">The interval is related to milliseconds.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00078">qwt_date.h:78</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">QwtDate::Minute</a></div><div class="ttdeci">@ Minute</div><div class="ttdoc">The interval is related to minutes.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00084">qwt_date.h:84</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">QwtDate::Hour</a></div><div class="ttdeci">@ Hour</div><div class="ttdoc">The interval is related to hours.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00087">qwt_date.h:87</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">QwtDate::Second</a></div><div class="ttdeci">@ Second</div><div class="ttdoc">The interval is related to seconds.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00081">qwt_date.h:81</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b">QwtDate::Week</a></div><div class="ttdeci">@ Week</div><div class="ttdoc">The interval is related to weeks.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00093">qwt_date.h:93</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587ae306523ed94ccf930afb811ff7a735ab"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae306523ed94ccf930afb811ff7a735ab">QwtDate::Year</a></div><div class="ttdeci">@ Year</div><div class="ttdoc">The interval is related to years.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8h_source.html#l00100">qwt_date.h:99</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_aeadce3496f631eae3a7e54749078c7a4"><div class="ttname"><a href="class_qwt_date.html#aeadce3496f631eae3a7e54749078c7a4">QwtDate::utcOffset</a></div><div class="ttdeci">static int utcOffset(const QDateTime &)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00635">qwt_date.cpp:635</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_af82ba26011550602f1adb61da53bd830"><div class="ttname"><a href="class_qwt_date.html#af82ba26011550602f1adb61da53bd830">QwtDate::maxDate</a></div><div class="ttdeci">static QDate maxDate()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00521">qwt_date.cpp:521</a></div></div>
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<div class="ttc" id="aclass_qwt_date_html_afce10fd70f7a1ecac3f97776fb2dc46a"><div class="ttname"><a href="class_qwt_date.html#afce10fd70f7a1ecac3f97776fb2dc46a">QwtDate::toDouble</a></div><div class="ttdeci">static double toDouble(const QDateTime &)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__date_8cpp_source.html#l00298">qwt_date.cpp:298</a></div></div>
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