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54 lines
1.4 KiB
54 lines
1.4 KiB
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** |
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* Qwt Widget Library |
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* Copyright (C) 1997 Josef Wilgen |
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* Copyright (C) 2002 Uwe Rathmann |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the Qwt License, Version 1.0 |
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*****************************************************************************/ |
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#ifndef QWT_PLOT_MAGNIFIER_H |
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#define QWT_PLOT_MAGNIFIER_H 1 |
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#include "qwt_global.h" |
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#include "qwt_magnifier.h" |
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class QwtPlot; |
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/*! |
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\brief QwtPlotMagnifier provides zooming, by magnifying in steps. |
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Using QwtPlotMagnifier a plot can be zoomed in/out in steps using |
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keys, the mouse wheel or moving a mouse button in vertical direction. |
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Together with QwtPlotZoomer and QwtPlotPanner it is possible to implement |
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individual and powerful navigation of the plot canvas. |
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\sa QwtPlotZoomer, QwtPlotPanner, QwtPlot |
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*/ |
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class QWT_EXPORT QwtPlotMagnifier: public QwtMagnifier |
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{ |
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Q_OBJECT |
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public: |
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explicit QwtPlotMagnifier( QWidget * ); |
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virtual ~QwtPlotMagnifier(); |
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void setAxisEnabled( int axis, bool on ); |
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bool isAxisEnabled( int axis ) const; |
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QWidget *canvas(); |
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const QWidget *canvas() const; |
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QwtPlot *plot(); |
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const QwtPlot *plot() const; |
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protected: |
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virtual void rescale( double factor ); |
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private: |
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class PrivateData; |
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PrivateData *d_data; |
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}; |
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#endif
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