QwtCompassRose类 参考

Abstract base class for a compass rose 更多...

#include <qwt_compass_rose.h>

类 QwtCompassRose 继承关系图:

Public 成员函数
	QwtCompassRose ()
	Constructor
virtual	~QwtCompassRose ()
	Destructor
virtual void	setPalette (const QPalette &)
	Assign a palette
const QPalette &	palette () const
	Get the current palette
virtual void	draw (QPainter *painter, const QPointF &center, double radius, double north, QPalette::ColorGroup colorGroup=QPalette::Active) const =0
	Draw the rose

详细描述

Abstract base class for a compass rose

QwtCompassRose is the abstract base class that defines the interface for drawing compass roses in QwtCompass.

成员函数说明

draw()

virtual void QwtCompassRose::draw ( QPainter *  painter, const QPointF &  center, double  radius, double  north, QPalette::ColorGroup  colorGroup = QPalette::Active  ) const

pure virtual

Draw the rose

参数

[in]	painter	Painter
[in]	center	Center point
[in]	radius	Radius of the rose
[in]	north	Position pointing north
[in]	colorGroup	Color group

在 QwtSimpleCompassRose 内被实现.

palette()

const QPalette & QwtCompassRose::palette

(

)

const

Get the current palette

返回

Current palette

setPalette()

void QwtCompassRose::setPalette ( const QPalette &  p )

virtual

Assign a palette

参数

[in]

p

Palette to assign

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该类的文档由以下文件生成:

• /home/runner/work/QWT/QWT/src/plot/qwt_compass_rose.h
• /home/runner/work/QWT/QWT/src/plot/qwt_compass_rose.cpp