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<div class="title">qwt_date_scale_engine.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef _QWT_DATE_SCALE_ENGINE_H_</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define _QWT_DATE_SCALE_ENGINE_H_ 1</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_date.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "qwt_scale_engine.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="class_qwt_date_scale_engine.html"> 41</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_date_scale_engine.html">QwtDateScaleEngine</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_linear_scale_engine.html">QwtLinearScaleEngine</a></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="class_qwt_date_scale_engine.html">QwtDateScaleEngine</a>( Qt::TimeSpec = Qt::LocalTime );</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_date_scale_engine.html">QwtDateScaleEngine</a>();</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">void</span> setTimeSpec( Qt::TimeSpec );</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  Qt::TimeSpec timeSpec() <span class="keyword">const</span>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">void</span> setUtcOffset( <span class="keywordtype">int</span> seconds );</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">int</span> utcOffset() <span class="keyword">const</span>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">void</span> setWeek0Type( <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">QwtDate::Week0Type</a> );</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">QwtDate::Week0Type</a> week0Type() <span class="keyword">const</span>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> setMaxWeeks( <span class="keywordtype">int</span> );</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">int</span> maxWeeks() <span class="keyword">const</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_linear_scale_engine.html#a71ab0cf646e48fbe9a6c818357c43028">autoScale</a>( <span class="keywordtype">int</span> maxNumSteps,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">double</span> &x1, <span class="keywordtype">double</span> &x2, <span class="keywordtype">double</span> &stepSize ) <span class="keyword">const</span>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> <a class="code" href="class_qwt_linear_scale_engine.html#a6ee7ab65b62767800a2b388fa15b29f2">divideScale</a>(</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2,</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">int</span> maxMajorSteps, <span class="keywordtype">int</span> maxMinorSteps,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">double</span> stepSize = 0.0 ) <span class="keyword">const</span>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">QwtDate::IntervalType</a> intervalType(</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> QDateTime &, <span class="keyword">const</span> QDateTime &, <span class="keywordtype">int</span> maxSteps ) <span class="keyword">const</span>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  QDateTime toDateTime( <span class="keywordtype">double</span> ) <span class="keyword">const</span>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">virtual</span> QDateTime alignDate( <span class="keyword">const</span> QDateTime &, <span class="keywordtype">double</span> stepSize,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">QwtDate::IntervalType</a>, <span class="keywordtype">bool</span> up ) <span class="keyword">const</span>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> buildScaleDiv( <span class="keyword">const</span> QDateTime &, <span class="keyword">const</span> QDateTime &,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span> maxMajorSteps, <span class="keywordtype">int</span> maxMinorSteps,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">QwtDate::IntervalType</a> ) <span class="keyword">const</span>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  PrivateData *d_data;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> };</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_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> qwt_date.h:75</div></div>
<div class="ttc" id="class_qwt_date_scale_engine_html"><div class="ttname"><a href="class_qwt_date_scale_engine.html">QwtDateScaleEngine</a></div><div class="ttdoc">A scale engine for date/time values. </div><div class="ttdef"><b>Definition:</b> qwt_date_scale_engine.h:41</div></div>
<div class="ttc" id="class_qwt_linear_scale_engine_html_a6ee7ab65b62767800a2b388fa15b29f2"><div class="ttname"><a href="class_qwt_linear_scale_engine.html#a6ee7ab65b62767800a2b388fa15b29f2">QwtLinearScaleEngine::divideScale</a></div><div class="ttdeci">virtual QwtScaleDiv divideScale(double x1, double x2, int maxMajorSteps, int maxMinorSteps, double stepSize=0.0) const</div><div class="ttdoc">Calculate a scale division for an interval. </div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.cpp:589</div></div>
<div class="ttc" id="class_qwt_scale_div_html"><div class="ttname"><a href="class_qwt_scale_div.html">QwtScaleDiv</a></div><div class="ttdoc">A class representing a scale division. </div><div class="ttdef"><b>Definition:</b> qwt_scale_div.h:36</div></div>
<div class="ttc" id="class_qwt_linear_scale_engine_html"><div class="ttname"><a href="class_qwt_linear_scale_engine.html">QwtLinearScaleEngine</a></div><div class="ttdoc">A scale engine for linear scales. </div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.h:150</div></div>
<div class="ttc" id="class_qwt_linear_scale_engine_html_a71ab0cf646e48fbe9a6c818357c43028"><div class="ttname"><a href="class_qwt_linear_scale_engine.html#a71ab0cf646e48fbe9a6c818357c43028">QwtLinearScaleEngine::autoScale</a></div><div class="ttdeci">virtual void autoScale(int maxNumSteps, double &x1, double &x2, double &stepSize) const</div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.cpp:543</div></div>
<div class="ttc" id="class_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> qwt_date.h:49</div></div>
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