Qwt User's Guide 6.1.2

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qwt_plot_magnifier.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_PLOT_MAGNIFIER_H
11 #define QWT_PLOT_MAGNIFIER_H 1
12
13 #include "qwt_global.h"
14 #include "qwt_magnifier.h"
15
16 class QwtPlot;
17
29 class QWT_EXPORT QwtPlotMagnifier: public QwtMagnifier
30 {
31 Q_OBJECT
32
33 public:
34 explicit QwtPlotMagnifier( QWidget * );
35 virtual ~QwtPlotMagnifier();
36
37 void setAxisEnabled( int axis, bool on );
38 bool isAxisEnabled( int axis ) const;
39
40 QWidget *canvas();
41 const QWidget *canvas() const;
42
43 QwtPlot *plot();
44 const QwtPlot *plot() const;
45
46 protected:
47 virtual void rescale( double factor );
48
49 private:
50 class PrivateData;
51 PrivateData *d_data;
52 };
53
54 #endif
QwtMagnifier
QwtMagnifier provides zooming, by magnifying in steps.
Definition: qwt_magnifier.h:27
QwtPlotMagnifier
QwtPlotMagnifier provides zooming, by magnifying in steps.
Definition: qwt_plot_magnifier.h:29
QwtMagnifier::rescale
virtual void rescale(double factor)=0
QwtPlot
A 2-D plotting widget.
Definition: qwt_plot.h:74