qwt_plot_magnifier.h
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_PLOT_MAGNIFIER_H
#define QWT_PLOT_MAGNIFIER_H 1
#include "qwt_global.h"
#include "qwt_magnifier.h"
class QwtPlot;
class QWT_EXPORT QwtPlotMagnifier: public QwtMagnifier
{
Q_OBJECT
public:
explicit QwtPlotMagnifier( QWidget * );
virtual ~QwtPlotMagnifier();
void setAxisEnabled( int axis, bool on );
bool isAxisEnabled( int axis ) const;
QWidget *canvas();
const QWidget *canvas() const;
QwtPlot *plot();
const QwtPlot *plot() const;
protected:
virtual void rescale( double factor );
private:
class PrivateData;
PrivateData *d_data;
};
#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