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QwtCompassMagnetNeedle Class Reference

Inheritance diagram for QwtCompassMagnetNeedle:

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Collaboration diagram for QwtCompassMagnetNeedle:

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List of all members.

Detailed Description

A magnet needle for compass widgets.

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

The following colors are used:

See also:
QwtDial, QwtCompass

Definition at line 124 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

static void drawTriangleNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)
static void drawThinNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)

Static Protected Member Functions

static void drawPointer (QPainter *painter, const QBrush &brush, int colorOffset, const QPoint &center, int length, int width, double direction)


Constructor & Destructor Documentation

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::palette(), and QwtDialNeedle::setPalette().


Member Function Documentation

void QwtCompassMagnetNeedle::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 295 of file qwt_dial_needle.cpp.

References drawThinNeedle(), drawTriangleNeedle(), and QwtDialNeedle::palette().

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 400 of file qwt_dial_needle.cpp.

References qwtDegree2Pos(), and qwtMax.

Referenced by drawThinNeedle().

void QwtCompassMagnetNeedle::drawThinNeedle QPainter *  painter,
const QPalette &  palette,
QPalette::ColorGroup  colorGroup,
const QPoint &  center,
int  length,
double  direction
[static]
 

Draw a compass needle

Definition at line 372 of file qwt_dial_needle.cpp.

References QwtDialNeedle::drawKnob(), drawPointer(), and qwtMax.

Referenced by draw().

void QwtCompassMagnetNeedle::drawTriangleNeedle QPainter *  painter,
const QPalette &  palette,
QPalette::ColorGroup  colorGroup,
const QPoint &  center,
int  length,
double  direction
[static]
 

Draw a compass needle

Definition at line 313 of file qwt_dial_needle.cpp.

References qwtDegree2Pos().

Referenced by draw().


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