Public Member Functions

QwtDialNeedle ()
Constructor. virtual ~QwtDialNeedle ()
Destructor. virtual void setPalette (const QPalette &)
const QPalette & palette () const
virtual void draw (QPainter *, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const

Protected Member Functions

virtual void drawNeedle (QPainter *painter, double length, QPalette::ColorGroup colorGroup) const =0
Draw the needle. virtual void drawKnob (QPainter *, double width, const QBrush &, bool sunken) const
Draw the knob.

void QwtDialNeedle::draw (QPainter * painter, const QPointF & center, double length, double direction, QPalette::ColorGroup colorGroup = QPalette::Active) const [virtual]

Draw the needle

Parameters

Definition at line 219 of file qwt_dial_needle.cpp.

virtual void QwtDialNeedle::drawNeedle (QPainter * painter, double length, QPalette::ColorGroup colorGroup) const [protected], [pure virtual]

Draw the needle. The origin of the needle is at position (0.0, 0.0 ) pointing in direction 0.0 ( = east ).

The painter is already initialized with translation and rotation.

Parameters

See also

Implemented in QwtCompassWindArrow, QwtCompassMagnetNeedle, and QwtDialSimpleNeedle.

const QPalette & QwtDialNeedle::palette () const

Returns

Definition at line 205 of file qwt_dial_needle.cpp.

void QwtDialNeedle::setPalette (const QPalette & palette) [virtual]

Sets the palette for the needle.

Parameters

Definition at line 197 of file qwt_dial_needle.cpp.