Qwt User's Guide svn
qwt_plot_magnifier.h
00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #ifndef QWT_PLOT_MAGNIFIER_H
00011 #define QWT_PLOT_MAGNIFIER_H 1
00012 
00013 #include "qwt_global.h"
00014 #include "qwt_magnifier.h"
00015 
00016 class QwtPlotCanvas;
00017 class QwtPlot;
00018 
00030 class QWT_EXPORT QwtPlotMagnifier: public QwtMagnifier
00031 {
00032     Q_OBJECT
00033 
00034 public:
00035     explicit QwtPlotMagnifier( QwtPlotCanvas * );
00036     virtual ~QwtPlotMagnifier();
00037 
00038     void setAxisEnabled( int axis, bool on );
00039     bool isAxisEnabled( int axis ) const;
00040 
00041     QwtPlotCanvas *canvas();
00042     const QwtPlotCanvas *canvas() const;
00043 
00044     QwtPlot *plot();
00045     const QwtPlot *plot() const;
00046 
00047 protected:
00048     virtual void rescale( double factor );
00049 
00050 private:
00051     class PrivateData;
00052     PrivateData *d_data;
00053 };
00054 
00055 #endif
qmi style