QwtCompassWindArrow Class Reference

#include <qwt_dial_needle.h>

Inheritance diagram for QwtCompassWindArrow:

List of all members.

Public Types
enum	Style {   Style1,   Style2 }

Public Member Functions
	QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray)
virtual void	draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const
Public Member Functions inherited from QwtDialNeedle
	QwtDialNeedle ()
virtual	~QwtDialNeedle ()
const QPalette &	palette () const
virtual void	setPalette (const QPalette &)

Static Public Member Functions
static void	drawStyle1Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)
static void	drawStyle2Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)

Additional Inherited Members
Static Protected Member Functions inherited from QwtDialNeedle
static void	drawKnob (QPainter *, const QPoint &pos, int width, const QBrush &, bool sunken)

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Detailed Description

An indicator for the wind direction.

QwtCompassWindArrow shows the direction where the wind comes from.

• QColorGroup::Light
  Used for Style1, or the light half of Style2
• QColorGroup::Dark
  Used for the dark half of Style2

See also:

QwtDial, QwtCompass

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Constructor & Destructor Documentation

QwtCompassWindArrow::QwtCompassWindArrow	(	Style	style,
		const QColor &	light = Qt::white,
		const QColor &	dark = Qt::gray
	)

Constructor

Parameters:

style	Arrow style
light	Light color
dark	Dark color

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Member Function Documentation

void QwtCompassWindArrow::draw ( QPainter *  painter, const QPoint &  center, int  length, double  direction, QPalette::ColorGroup  colorGroup = QPalette::Active  ) const

virtual

Draw the needle

Parameters:

painter	Painter
center	Center of the dial, start position for the needle
length	Length of the needle
direction	Direction of the needle, in degrees counter clockwise
colorGroup	Color group, used for painting

Implements QwtDialNeedle.

void QwtCompassWindArrow::drawStyle1Needle ( QPainter *  painter, const QPalette &  palette, QPalette::ColorGroup  colorGroup, const QPoint &  center, int  length, double  direction  )

static

Draw a compass needle

Parameters:

painter	Painter
palette	Palette
colorGroup	colorGroup
center	Center of the dial, start position for the needle
length	Length of the needle
direction	Direction of the needle, in degrees counter clockwise

void QwtCompassWindArrow::drawStyle2Needle ( QPainter *  painter, const QPalette &  palette, QPalette::ColorGroup  colorGroup, const QPoint &  center, int  length, double  direction  )

static

Draw a compass needle

Parameters:

painter	Painter
palette	Palette
colorGroup	colorGroup
center	Center of the dial, start position for the needle
length	Length of the needle
direction	Direction of the needle, in degrees counter clockwise