---
name: "QwtCompassRose"
section: "3"
platform: "linux"
package: "libqwt-doc"
version: "6.1.4-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/QwtCompassRose"
---

# QwtCompassRose(3)

Abstract base class for a compass rose.

## NAME

QwtCompassRose - Abstract base class for a compass rose.

## SYNOPSIS

`#include <qwt_compass_rose.h>`

Inherited by **QwtSimpleCompassRose**.

### Public Member Functions

virtual **~QwtCompassRose** ()\
 Destructor.  virtual void **setPalette** (const QPalette &p)\
 Assign a palette.  const QPalette & **palette** () const\
 virtual void **draw** (QPainter \*painter, const QPointF &center, double radius, double north, QPalette::ColorGroup colorGroup=QPalette::Active) const =0\

## Detailed Description

Abstract base class for a compass rose.

## Member Function Documentation

### virtual void QwtCompassRose::draw (QPainter \* painter, const QPointF & center, double radius, double north, QPalette::ColorGroup colorGroup = `QPalette::Active`) const` [pure virtual]`

Draw the rose

**Parameters:**

*painter* Painter \
 *center* Center point \
 *radius* Radius of the rose \
 *north* Position \
 *colorGroup* Color group

Implemented in **QwtSimpleCompassRose**.

### const QPalette& QwtCompassRose::palette () const` [inline]`

**Returns:**

Current palette

## Author

Generated automatically by Doxygen for Qwt User's Guide from the source code.