man QwtCompassWindArrow (Fonctions bibliothèques) -

NAME

QwtCompassWindArrow -

SYNOPSIS

Inherits QwtDialNeedle.

Detailed Description

An indicator for the wind direction.

QwtCompassWindArrow shows the direction where the wind comes from.

â€¢: QColorGroup::Light

Used for Style1, or the light half of Style2
â€¢: QColorGroup::Dark

Used for the dark half of Style2

See also: QwtDial, QwtCompass

Definition at line 165 of file qwt_dial_needle.h.

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

Static Public Member Functions

void drawStyle1Needle (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)

void drawStyle2Needle (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)

Constructor & Destructor Documentation

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

Constructor.

Definition at line 437 of file qwt_dial_needle.cpp.

References QwtDialNeedle::setPalette().

Member Function Documentation

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

cg Color group, used for painting

Implements QwtDialNeedle.

Definition at line 462 of file qwt_dial_needle.cpp.

References QwtDialNeedle::colorGroup(), drawStyle1Needle(), and drawStyle2Needle().

void QwtCompassWindArrow::drawStyle1Needle (QPainter * painter, const QColorGroup & cg, const QPoint & center, int length, double direction) [static]

Draw a compass needle Definition at line 480 of file qwt_dial_needle.cpp.

Referenced by draw().

void QwtCompassWindArrow::drawStyle2Needle (QPainter * painter, const QColorGroup & cg, const QPoint & center, int length, double direction) [static]

Draw a compass needle Definition at line 508 of file qwt_dial_needle.cpp.