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qwt_abstract_scale.h
/******************************************************************************
* 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:
explicit 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:
virtual void changeEvent( QEvent* ) QWT_OVERRIDE;
void rescale( double lowerBound,
double upperBound, double stepSize );
void setAbstractScaleDraw( QwtAbstractScaleDraw* );
const QwtAbstractScaleDraw* abstractScaleDraw() const;
QwtAbstractScaleDraw* abstractScaleDraw();
void updateScaleDraw();
virtual void scaleChange();
private:
class PrivateData;
PrivateData* m_data;
};
#endif
QwtAbstractScaleDraw
A abstract base class for drawing scales.
Definition qwt_abstract_scale_draw.h:32
QwtAbstractScale
An abstract base class for widgets having a scale.
Definition qwt_abstract_scale.h:37
QwtInterval
A class representing an interval.
Definition qwt_interval.h:23
QwtScaleDiv
A class representing a scale division.
Definition qwt_scale_div.h:34
QwtScaleEngine
Base class for scale engines.
Definition qwt_scale_engine.h:46
QwtScaleMap
A scale map.
Definition qwt_scale_map.h:27