Qwt User's Guide 5.2.3

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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 QwtPlotCanvas;
17 class QwtPlot;
18
30 class QWT_EXPORT QwtPlotMagnifier: public QwtMagnifier
31 {
32 Q_OBJECT
33
34 public:
35 explicit QwtPlotMagnifier(QwtPlotCanvas *);
36 virtual ~QwtPlotMagnifier();
37
38 void setAxisEnabled(int axis, bool on);
39 bool isAxisEnabled(int axis) const;
40
41 QwtPlotCanvas *canvas();
42 const QwtPlotCanvas *canvas() const;
43
44 QwtPlot *plot();
45 const QwtPlot *plot() const;
46
47 protected:
48 virtual void rescale(double factor);
49
50 private:
51 class PrivateData;
52 PrivateData *d_data;
53 };
54
55 #endif