QwtCompassWindArrow

Langue: en

Autres versions - même langue

Version: 356197 (ubuntu - 24/10/10)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

QwtCompassWindArrow -

SYNOPSIS


Inherits QwtDialNeedle.

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

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.

Referenced by draw().

Author

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