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 QwtPlot; 00017 00029 class QWT_EXPORT QwtPlotMagnifier: public QwtMagnifier 00030 { 00031 Q_OBJECT 00032 00033 public: 00034 explicit QwtPlotMagnifier( QWidget * ); 00035 virtual ~QwtPlotMagnifier(); 00036 00037 void setAxisEnabled( int axis, bool on ); 00038 bool isAxisEnabled( int axis ) const; 00039 00040 QWidget *canvas(); 00041 const QWidget *canvas() const; 00042 00043 QwtPlot *plot(); 00044 const QwtPlot *plot() const; 00045 00046 protected: 00047 virtual void rescale( double factor ); 00048 00049 private: 00050 class PrivateData; 00051 PrivateData *d_data; 00052 }; 00053 00054 #endif