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qwt_sclif.h

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_SCALE_IF_H 00011 #define QWT_SCALE_IF_H 00012 00013 #include "qwt_global.h" 00014 #include "qwt_scldraw.h" 00015 00040 class QWT_EXPORT QwtScaleIf 00041 { 00042 public: 00043 QwtScaleIf(); 00044 virtual ~QwtScaleIf(); 00045 00046 void setScale (double vmin, double vmax, int logarithmic = 0); 00047 void setScale (double vmin, double vmax, double step, int logarithmic = 0); 00048 void setScale(const QwtScaleDiv &s); 00049 void setScaleMaxMajor( int ticks); 00050 void setScaleMaxMinor( int ticks); 00051 void autoScale(); 00053 int scaleMaxMinor() const {return d_maxMinor;} 00055 int scaleMaxMajor() const {return d_maxMajor;} 00056 00057 void setScaleDraw(QwtScaleDraw *); 00058 const QwtScaleDraw *scaleDraw() const; 00059 00060 protected: 00062 bool hasUserScale() {return d_userScale;} 00063 00065 virtual void scaleChange() = 0; 00066 QwtScaleDraw *scaleDraw(); 00067 00068 private: 00069 QwtScaleDraw *d_scaleDraw; 00070 int d_maxMajor; 00071 int d_maxMinor; 00072 00073 bool d_userScale; 00074 }; 00075 #endif

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