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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