Qwt User's Guide
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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