DOKK / manpages / debian 10 / libqwt5-doc / QwtSimpleCompassRose.3.en
QwtSimpleCompassRose(3) Qwt User's Guide QwtSimpleCompassRose(3)

QwtSimpleCompassRose -

#include <qwt_compass_rose.h>

Inherits QwtCompassRose.


QwtSimpleCompassRose (int numThorns=8, int numThornLevels=-1)
virtual void draw (QPainter *, const QPoint &center, int radius, double north, QPalette::ColorGroup=QPalette::Active) const
int numThornLevels () const
int numThorns () const
void setNumThornLevels (int count)
void setNumThorns (int count)
void setShrinkFactor (double factor)
void setWidth (double w)
double shrinkFactor () const
double width () const


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

A simple rose for QwtCompass.

Constructor

Parameters:

numThorns Number of thorns
numThornLevels Number of thorn levels

Draw the rose

Parameters:

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

Implements QwtCompassRose.

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

Returns:

Number of thorn levels

See also:

setNumThorns(), setNumThornLevels()

Returns:

Number of thorns

See also:

setNumThorns(), setNumThornLevels()

Set the of thorns levels

Parameters:

numThornLevels Number of thorns levels

See also:

setNumThorns(), numThornLevels()

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()

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

See also:

setWidth()

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Tue Nov 20 2012 Version 5.2.3