NAME¶

QwtCompassWindArrow - An indicator for the wind direction.

SYNOPSIS¶

#include <qwt_dial_needle.h> Inherits QwtDialNeedle.

Public Types¶

enum Style { Style1, Style2 }

Public Member Functions¶

virtual void draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const const QPalette & palette () const QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray) virtual void setPalette (const QPalette &)

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)

Static Protected Member Functions¶

static void drawKnob (QPainter *, const QPoint &pos, int width, const QBrush &, bool sunken)

Detailed Description¶

An indicator for the wind direction. QwtCompassWindArrow shows the direction where the wind comes from.

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QColorGroup::Light

 

Used for Style1, or the light half of Style2

•

QColorGroup::Dark

 

Used for the dark half of Style2

See also:

Member Enumeration Documentation¶

enum QwtCompassWindArrow::Style¶

Style of the arrow.

Constructor & Destructor Documentation¶

QwtCompassWindArrow::QwtCompassWindArrow (Stylestyle, const QColor &light = Qt::white, const QColor &dark = Qt::gray) Constructor¶

Parameters:

Member Function Documentation¶

void QwtCompassWindArrow::draw (QPainter *painter, const QPoint &center, intlength, doubledirection, QPalette::ColorGroupcolorGroup = QPalette::Active) const [virtual] Draw the needle¶

Parameters: Implements QwtDialNeedle.

void QwtDialNeedle::drawKnob (QPainter *painter, const QPoint &pos, intwidth, const QBrush &brush, boolsunken) [static, protected, inherited]¶

Draw the knob.

void QwtCompassWindArrow::drawStyle1Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static] Draw a compass needle¶

Parameters:

void QwtCompassWindArrow::drawStyle2Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static] Draw a compass needle¶

Parameters:

const QPalette & QwtDialNeedle::palette () const [inherited] Returns:¶

void QwtDialNeedle::setPalette (const QPalette &palette) [virtual, inherited] Sets the palette for the needle.¶

Parameters:

Author¶

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