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

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)

QwtSimpleCompassRose::QwtSimpleCompassRose (int numThorns = 8, int numThornLevels = -1)¶

Constructor

Parameters:

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

Draw the rose

Parameters:

Implements QwtCompassRose.

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

Draw the rose

Parameters:

int QwtSimpleCompassRose::numThornLevels () const¶

Returns:

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int QwtSimpleCompassRose::numThorns () const¶

Returns:

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void QwtSimpleCompassRose::setNumThornLevels (int numThornLevels)¶

Set the of thorns levels

Parameters:

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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

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void QwtSimpleCompassRose::setShrinkFactor (double factor)¶

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

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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:

double QwtSimpleCompassRose::shrinkFactor () const¶

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double QwtSimpleCompassRose::width () const¶

Returns:

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