QwtSimpleCompassRose - A simple rose for QwtCompass.

NAME  SYNOPSIS  Public Member Functions  Static Public Member Functions  Detailed Description  Constructor & Destructor Documentation  QwtSimpleCompassRose::QwtSimpleCompassRose (int numThorns = 8, intnumThornLevels = −1)  QwtSimpleCompassRose::˜QwtSimpleCompassRose () [virtual]  Member Function Documentation  void QwtSimpleCompassRose::draw (QPainter * painter, const QPointF &center, double radius, double north, QPalette::ColorGroup cg =QPalette::Active) const [override], [virtual]  void QwtSimpleCompassRose::drawRose (QPainter * painter, const QPalette &palette, const QPointF & center, double radius, double north, doublewidth, int numThorns, int numThornLevels, double shrinkFactor) [static]  int QwtSimpleCompassRose::numThornLevels () const  int QwtSimpleCompassRose::numThorns () const  void QwtSimpleCompassRose::setNumThornLevels (int numThornLevels)  void QwtSimpleCompassRose::setNumThorns (int numThorns)  void QwtSimpleCompassRose::setShrinkFactor (double factor)  void QwtSimpleCompassRose::setWidth (double width)  double QwtSimpleCompassRose::shrinkFactor () const  double QwtSimpleCompassRose::width () const  Author 

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NAME

QwtSimpleCompassRose − A simple rose for QwtCompass.

SYNOPSIS

#include <qwt_compass_rose.h>

Inherits QwtCompassRose.

Public Member Functions

QwtSimpleCompassRose (int numThorns=8, int numThornLevels=−1)
virtual ˜QwtSimpleCompassRose ()
Destructor.
void setWidth (double)
double width () const
void setNumThorns (int)
int numThorns () const
void setNumThornLevels (int)
int numThornLevels () const
void setShrinkFactor (double factor)
double shrinkFactor () const
virtual void draw (QPainter *, const QPointF &center, double radius, double north, QPalette::ColorGroup=QPalette::Active) const override

Public Member Functions inherited from QwtCompassRose

QwtCompassRose ()
Constructor.
virtual ˜QwtCompassRose ()
Destructor.
virtual void setPalette (const QPalette &)
Assign a palette.
const QPalette & palette () const

Static Public Member Functions

static void drawRose (QPainter *, const QPalette &, const QPointF &center, double radius, double north, double width, int numThorns, int numThornLevels, double shrinkFactor)

Detailed Description

A simple rose for QwtCompass.

Definition at line 52 of file qwt_compass_rose.h.

Constructor & Destructor Documentation

QwtSimpleCompassRose::QwtSimpleCompassRose (int numThorns = 8, intnumThornLevels = −1)

Constructor

Parameters

numThorns Number of thorns
numThornLevels Number of thorn levels

Definition at line 78 of file qwt_compass_rose.cpp.

QwtSimpleCompassRose::˜QwtSimpleCompassRose () [virtual]

Destructor.

Definition at line 96 of file qwt_compass_rose.cpp.

Member Function Documentation

void QwtSimpleCompassRose::draw (QPainter * painter, const QPointF &center, double radius, double north, QPalette::ColorGroup cg =QPalette::Active) const [override], [virtual]

Draw the rose

Parameters

painter Painter
center Center point
radius Radius of the rose
north Position
cg Color group

Implements QwtCompassRose.

Definition at line 131 of file qwt_compass_rose.cpp.

void QwtSimpleCompassRose::drawRose (QPainter * painter, const QPalette &palette, const QPointF & center, double radius, double north, doublewidth, int numThorns, int numThornLevels, double shrinkFactor) [static]

Draw the rose

Parameters

painter Painter
palette Palette
center Center of the rose
radius Radius of the rose
north Position pointing to north
width Width of the rose
numThorns Number of thorns
numThornLevels Number of thorn levels
shrinkFactor Factor to shrink the thorns with each level

Definition at line 154 of file qwt_compass_rose.cpp.

int QwtSimpleCompassRose::numThornLevels () const

Returns

Number of thorn levels

See also

setNumThorns(), setNumThornLevels()

Definition at line 293 of file qwt_compass_rose.cpp.

int QwtSimpleCompassRose::numThorns () const

Returns

Number of thorns

See also

setNumThorns(), setNumThornLevels()

Definition at line 273 of file qwt_compass_rose.cpp.

void QwtSimpleCompassRose::setNumThornLevels (int numThornLevels)

Set the of thorns levels

Parameters

numThornLevels Number of thorns levels

See also

setNumThorns(), numThornLevels()

Definition at line 284 of file qwt_compass_rose.cpp.

void QwtSimpleCompassRose::setNumThorns (int numThorns)

Set the number of thorns on one level The number is aligned to a multiple of 4, with a minimum of 4

Parameters

numThorns Number of thorns

See also

numThorns(), setNumThornLevels()

Definition at line 258 of file qwt_compass_rose.cpp.

void QwtSimpleCompassRose::setShrinkFactor (double factor)

Set the Factor how to shrink the thorns with each level The default value is 0.9.

Parameters

factor Shrink factor

See also

shrinkFactor()

Definition at line 108 of file qwt_compass_rose.cpp.

void QwtSimpleCompassRose::setWidth (double width)

Set the width of the rose heads. Lower value make thinner heads. The range is limited from 0.03 to 0.4.

Parameters

width Width

Definition at line 232 of file qwt_compass_rose.cpp.

double QwtSimpleCompassRose::shrinkFactor () const

Returns

Factor how to shrink the thorns with each level

See also

setShrinkFactor()

Definition at line 117 of file qwt_compass_rose.cpp.

double QwtSimpleCompassRose::width () const

Returns

Width of the rose

See also

setWidth()

Definition at line 246 of file qwt_compass_rose.cpp.

Author

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