/usr/include/qwt/qwt_plot_magnifier.h is in libqwt-dev 6.0.0-1.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /* -*- 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 QwtPlotCanvas;
class QwtPlot;
/*!
\brief QwtPlotMagnifier provides zooming, by magnifying in steps.
Using QwtPlotMagnifier a plot can be zoomed in/out in steps using
keys, the mouse wheel or moving a mouse button in vertical direction.
Together with QwtPlotZoomer and QwtPlotPanner it is possible to implement
individual and powerful navigation of the plot canvas.
\sa QwtPlotZoomer, QwtPlotPanner, QwtPlot
*/
class QWT_EXPORT QwtPlotMagnifier: public QwtMagnifier
{
Q_OBJECT
public:
explicit QwtPlotMagnifier( QwtPlotCanvas * );
virtual ~QwtPlotMagnifier();
void setAxisEnabled( int axis, bool on );
bool isAxisEnabled( int axis ) const;
QwtPlotCanvas *canvas();
const QwtPlotCanvas *canvas() const;
QwtPlot *plot();
const QwtPlot *plot() const;
protected:
virtual void rescale( double factor );
private:
class PrivateData;
PrivateData *d_data;
};
#endif
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