Qwt User's Guide  6.1.0
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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