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#ifndef QCOMPASS_H
#define QCOMPASS_H

#include "qsensor.h"

QT_BEGIN_NAMESPACE

class QCompassReadingPrivate;

class Q_SENSORS_EXPORT QCompassReading : public QSensorReading
{
    Q_OBJECT
    Q_PROPERTY(qreal azimuth READ azimuth)
    Q_PROPERTY(qreal calibrationLevel READ calibrationLevel)
    DECLARE_READING(QCompassReading)
public:
    qreal azimuth() const;
    void setAzimuth(qreal azimuth);

    qreal calibrationLevel() const;
    void setCalibrationLevel(qreal calibrationLevel);
};

class Q_SENSORS_EXPORT QCompassFilter : public QSensorFilter
{
public:
    virtual bool filter(QCompassReading *reading) = 0;
private:
    bool filter(QSensorReading *reading) { return filter(static_cast<QCompassReading*>(reading)); }
};

class Q_SENSORS_EXPORT QCompass : public QSensor
{
    Q_OBJECT
public:
    explicit QCompass(QObject *parent = 0) : QSensor(QCompass::type, parent) {}
    virtual ~QCompass() {}
    QCompassReading *reading() const { return static_cast<QCompassReading*>(QSensor::reading()); }
    static char const * const type;
};

QT_END_NAMESPACE

#endif