qwtcompassmagnetneedle(3)

NAME

QwtCompassMagnetNeedle

Inherits QwtDialNeedle.

A magnet needle for compass widgets.

A magnet needle points to two opposite directions indicating north and south.

The following colors are used:

� QColorGroup::Light: Used for pointing south
� QColorGroup::Dark: Used for pointing north
� QColorGroup::Base: Knob (ThinStyle only)
See also:: QwtDial, QwtCompass
Definition at line 123 of file qwt_dial_needle.h.
Public Types: enum Style { TriangleStyle, ThinStyle }
Public Member Functions: QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor
&light=Qt::white, const QColor &dark=Qt::red); virtual void draw (QPainter *, const QPoint &, int length, double
direction, QPalette::ColorGroup=QPalette::Active) const
Static Public Member Functions: void drawTriangleNeedle (QPainter *, const QColorGroup &, const QPoint
&, int length, double direction); void drawThinNeedle (QPainter *, const QColorGroup &, const QPoint &,
int length, double direction)
Static Protected Member Functions: void drawPointer (QPainter *painter, const QBrush &brush, int
colorOffset, const QPoint &center, int length, int width, double
direction)

QwtCompassMagnetNeedle::QwtCompassMagnetNeedle (Style = TriangleStyle,: const QColor & light = Qt::white, const QColor & dark = Qt::red) Constructor.; Definition at line 268 of file qwt_dial_needle.cpp.; References QwtDialNeedle::setPalette().

void QwtCompassMagnetNeedle::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 295 of file qwt_dial_needle.cpp.; References QwtDialNeedle::colorGroup(), drawThinNeedle(), and
drawTriangleNeedle().
void QwtCompassMagnetNeedle::drawPointer (QPainter * painter, const QBrush: & brush, int colorOffset, const QPoint & center, int length, int width, double direction) [static, protected] Draw a compass needle Definition at line 394 of file
qwt_dial_needle.cpp.; Referenced by drawThinNeedle().
void QwtCompassMagnetNeedle::drawThinNeedle (QPainter * painter, const: QColorGroup & cg, const QPoint & center, int length, double direction) [static]
Draw a compass needle Definition at line 369 of file
qwt_dial_needle.cpp.; References QwtDialNeedle::drawKnob(), and drawPointer().; Referenced by draw().
void QwtCompassMagnetNeedle::drawTriangleNeedle (QPainter * painter, const: QColorGroup & cg, const QPoint & center, int length, double direction) [static]
Draw a compass needle Definition at line 313 of file
qwt_dial_needle.cpp.; Referenced by draw().

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