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qwt_round_scale_draw.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_ROUND_SCALE_DRAW_H
#define QWT_ROUND_SCALE_DRAW_H
#include "qwt_global.h"
#include "qwt_abstract_scale_draw.h"
#include <qpoint.h>
class QWT_EXPORT QwtRoundScaleDraw : public QwtAbstractScaleDraw
{
public:
QwtRoundScaleDraw();
virtual ~QwtRoundScaleDraw();
void setRadius( double radius );
double radius() const;
void moveCenter( double x, double y );
void moveCenter( const QPointF& );
QPointF center() const;
void setAngleRange( double angle1, double angle2 );
virtual double extent( const QFont& ) const QWT_OVERRIDE;
protected:
virtual void drawTick( QPainter*,
double value, double len ) const QWT_OVERRIDE;
virtual void drawBackbone(
QPainter* ) const QWT_OVERRIDE;
virtual void drawLabel(
QPainter*, double value ) const QWT_OVERRIDE;
private:
class PrivateData;
PrivateData* m_data;
};
inline void QwtRoundScaleDraw::moveCenter( double x, double y )
{
moveCenter( QPointF( x, y ) );
}
#endif
QwtAbstractScaleDraw
A abstract base class for drawing scales.
Definition qwt_abstract_scale_draw.h:32
QwtAbstractScaleDraw::drawBackbone
virtual void drawBackbone(QPainter *painter) const =0
QwtAbstractScaleDraw::drawTick
virtual void drawTick(QPainter *painter, double value, double len) const =0
QwtAbstractScaleDraw::extent
virtual double extent(const QFont &font) const =0
QwtAbstractScaleDraw::drawLabel
virtual void drawLabel(QPainter *painter, double value) const =0
QwtRoundScaleDraw
A class for drawing round scales.
Definition qwt_round_scale_draw.h:32
QwtRoundScaleDraw::moveCenter
void moveCenter(double x, double y)
Move the center of the scale draw, leaving the radius unchanged.
Definition qwt_round_scale_draw.h:64