qt-everywhere-src-5.14.1/qtmultimedia/src/plugins/gstreamer/camerabin/camerabinzoom.h

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#ifndef CAMERABINZOOMCONTROL_H
#define CAMERABINZOOMCONTROL_H

#include <qcamerazoomcontrol.h>

QT_BEGIN_NAMESPACE

class CameraBinSession;

class CameraBinZoom  : public QCameraZoomControl
{
    Q_OBJECT
public:
    CameraBinZoom(CameraBinSession *session);
    virtual ~CameraBinZoom();

    qreal maximumOpticalZoom() const override;
    qreal maximumDigitalZoom() const override;

    qreal requestedOpticalZoom() const override;
    qreal requestedDigitalZoom() const override;
    qreal currentOpticalZoom() const override;
    qreal currentDigitalZoom() const override;

    void zoomTo(qreal optical, qreal digital) override;

private:
    CameraBinSession *m_session;
    qreal m_requestedOpticalZoom;
    qreal m_requestedDigitalZoom;
};

QT_END_NAMESPACE

#endif // CAMERABINZOOMCONTROL_H