Qwt User's Guide  6.1.3
qwt_date_scale_draw.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
10 #ifndef _QWT_DATE_SCALE_DRAW_H_
11 #define _QWT_DATE_SCALE_DRAW_H_ 1
12 
13 #include "qwt_global.h"
14 #include "qwt_scale_draw.h"
15 #include "qwt_date.h"
16 
52 class QWT_EXPORT QwtDateScaleDraw: public QwtScaleDraw
53 {
54 public:
55  QwtDateScaleDraw( Qt::TimeSpec = Qt::LocalTime );
56  virtual ~QwtDateScaleDraw();
57 
58  void setDateFormat( QwtDate::IntervalType, const QString & );
59  QString dateFormat( QwtDate::IntervalType ) const;
60 
61  void setTimeSpec( Qt::TimeSpec );
62  Qt::TimeSpec timeSpec() const;
63 
64  void setUtcOffset( int seconds );
65  int utcOffset() const;
66 
67  void setWeek0Type( QwtDate::Week0Type );
68  QwtDate::Week0Type week0Type() const;
69 
70  virtual QwtText label( double ) const;
71 
72  QDateTime toDateTime( double ) const;
73 
74 protected:
75  virtual QwtDate::IntervalType
76  intervalType( const QwtScaleDiv & ) const;
77 
78  virtual QString dateFormatOfDate( const QDateTime &,
79  QwtDate::IntervalType ) const;
80 
81 private:
82  class PrivateData;
83  PrivateData *d_data;
84 };
85 
86 #endif
IntervalType
Definition: qwt_date.h:75
A class for drawing scales.
Definition: qwt_scale_draw.h:31
A class representing a text.
Definition: qwt_text.h:51
A class representing a scale division.
Definition: qwt_scale_div.h:36
virtual QwtText label(double) const
Convert a value into its representing label.
Definition: qwt_abstract_scale_draw.cpp:374
A class for drawing datetime scales.
Definition: qwt_date_scale_draw.h:52
Week0Type
Definition: qwt_date.h:49