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qwt_abstract_scale.h
/* -*- 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_ABSTRACT_SCALE_H
#define QWT_ABSTRACT_SCALE_H
#include "qwt_global.h"
#include <qwidget.h>
class QwtScaleEngine;
class QwtAbstractScaleDraw;
class QwtScaleDiv;
class QwtScaleMap;
class QwtInterval;
class QWT_EXPORT QwtAbstractScale: public QWidget
{
Q_OBJECT
Q_PROPERTY( double lowerBound READ lowerBound WRITE setLowerBound )
Q_PROPERTY( double upperBound READ upperBound WRITE setUpperBound )
Q_PROPERTY( int scaleMaxMajor READ scaleMaxMajor WRITE setScaleMaxMajor )
Q_PROPERTY( int scaleMaxMinor READ scaleMaxMinor WRITE setScaleMaxMinor )
Q_PROPERTY( double scaleStepSize READ scaleStepSize WRITE setScaleStepSize )
public:
QwtAbstractScale( QWidget *parent = NULL );
virtual ~QwtAbstractScale();
void setScale( double lowerBound, double upperBound );
void setScale( const QwtInterval & );
void setScale( const QwtScaleDiv & );
const QwtScaleDiv& scaleDiv() const;
void setLowerBound( double value );
double lowerBound() const;
void setUpperBound( double value );
double upperBound() const;
void setScaleStepSize( double stepSize );
double scaleStepSize() const;
void setScaleMaxMajor( int ticks );
int scaleMaxMinor() const;
void setScaleMaxMinor( int ticks );
int scaleMaxMajor() const;
void setScaleEngine( QwtScaleEngine * );
const QwtScaleEngine *scaleEngine() const;
QwtScaleEngine *scaleEngine();
int transform( double ) const;
double invTransform( int ) const;
bool isInverted() const;
double minimum() const;
double maximum() const;
const QwtScaleMap &scaleMap() const;
protected:
void rescale( double lowerBound,
double upperBound, double stepSize );
void setAbstractScaleDraw( QwtAbstractScaleDraw * );
const QwtAbstractScaleDraw *abstractScaleDraw() const;
QwtAbstractScaleDraw *abstractScaleDraw();
virtual void scaleChange();
private:
void updateScaleDraw();
class PrivateData;
PrivateData *d_data;
};
#endif