QwtCompassWindArrow Class Reference

Inheritance diagram for QwtCompassWindArrow:

[legend]Collaboration diagram for QwtCompassWindArrow:

[legend]List of all members.

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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

Definition at line 170 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
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)

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Member Enumeration Documentation

enum QwtCompassWindArrow::Style

Style of the arrow. Definition at line 174 of file qwt_dial_needle.h.

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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 Definition at line 467 of file qwt_dial_needle.cpp. References QwtDialNeedle::palette().

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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. Definition at line 492 of file qwt_dial_needle.cpp. References drawStyle1Needle(), drawStyle2Needle(), and QwtDialNeedle::palette().

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 Definition at line 517 of file qwt_dial_needle.cpp. Referenced by draw().

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 Definition at line 554 of file qwt_dial_needle.cpp. Referenced by draw().

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