Qwt User's Guide: QwtCompassRose Class Reference

Qwt User's Guide 6.1.3

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QwtCompassRose Class Referenceabstract

Abstract base class for a compass rose. More...

`#include <qwt_compass_rose.h>`

Inheritance diagram for QwtCompassRose:
[legend]

## 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