Qwt User's Guide 6.2.0

qwt_plot_magnifier.h
1 /******************************************************************************
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_PLOT_MAGNIFIER_H
11 #define QWT_PLOT_MAGNIFIER_H
12
13 #include "qwt_global.h"
14 #include "qwt_axis_id.h"
15 #include "qwt_magnifier.h"
16
17 class QwtPlot;
18
30 class QWT_EXPORT QwtPlotMagnifier : public QwtMagnifier
31 {
32 Q_OBJECT
33
34 public:
35 explicit QwtPlotMagnifier( QWidget* );
36 virtual ~QwtPlotMagnifier();
37
38 void setAxisEnabled( QwtAxisId, bool on );
39 bool isAxisEnabled( QwtAxisId ) const;
40
41 QWidget* canvas();
42 const QWidget* canvas() const;
43
44 QwtPlot* plot();
45 const QwtPlot* plot() const;
46
47 public Q_SLOTS:
48 virtual void rescale( double factor ) QWT_OVERRIDE;
49
50 private:
51 class PrivateData;
52 PrivateData* m_data;
53 };
54
55 #endif
QwtMagnifier
QwtMagnifier provides zooming, by magnifying in steps.
Definition: qwt_magnifier.h:28
QwtMagnifier::rescale
virtual void rescale(double factor)=0
QwtPlot
A 2-D plotting widget.
Definition: qwt_plot.h:79
QwtPlotMagnifier
QwtPlotMagnifier provides zooming, by magnifying in steps.
Definition: qwt_plot_magnifier.h:31