QwtCompassWindArrow(3) Qwt User's Guide QwtCompassWindArrow(3)NAMEQwtCompassWindArrow-
SYNOPSIS
#include <qwt_dial_needle.h>
Inherits QwtDialNeedle.
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
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
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
Constructor & Destructor Documentation
QwtCompassWindArrow::QwtCompassWindArrow (Stylestyle, const QColor &light =
Qt::white, const QColor &dark = Qt::gray)
Constructor
Parameters:
style Arrow style
light Light color
dark Dark color
Member Function Documentation
void QwtCompassWindArrow::draw (QPainter *painter, const QPoint ¢er,
intlength, doubledirection, QPalette::ColorGroupcolorGroup =
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::ColorGroupcolorGroup, const QPoint
¢er, intlength, doubledirection) [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::ColorGroupcolorGroup, const QPoint
¢er, intlength, doubledirection) [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
Author
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Version 5.2.3 Tue Nov 20 2012 QwtCompassWindArrow(3)
