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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCAMERAEXPOSURE_H
#define QCAMERAEXPOSURE_H
#include <QtCore/qobject.h>
#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtMultimedia/qmediaenumdebug.h>
QT_BEGIN_NAMESPACE
class QCamera;
class QPlatformCamera;
class QCameraExposurePrivate;
class Q_MULTIMEDIA_EXPORT QCameraExposure : public QObject
{
Q_OBJECT
Q_PROPERTY(qreal aperture READ aperture NOTIFY apertureChanged)
Q_PROPERTY(qreal shutterSpeed READ shutterSpeed NOTIFY shutterSpeedChanged)
Q_PROPERTY(int isoSensitivity READ isoSensitivity NOTIFY isoSensitivityChanged)
Q_PROPERTY(qreal exposureCompensation READ exposureCompensation WRITE setExposureCompensation NOTIFY exposureCompensationChanged)
Q_PROPERTY(bool flashReady READ isFlashReady NOTIFY flashReady)
Q_PROPERTY(QCameraExposure::FlashMode flashMode READ flashMode WRITE setFlashMode)
Q_PROPERTY(QCameraExposure::TorchMode torchMode READ torchMode WRITE setTorchMode)
Q_PROPERTY(QCameraExposure::ExposureMode exposureMode READ exposureMode WRITE setExposureMode)
Q_ENUMS(FlashMode)
Q_ENUMS(TorchMode)
Q_ENUMS(ExposureMode)
public:
enum FlashMode {
FlashOff,
FlashOn,
FlashAuto
};
enum TorchMode {
TorchOff,
TorchOn,
TorchAuto
};
enum ExposureMode {
ExposureAuto,
ExposureManual,
ExposurePortrait,
ExposureNight,
ExposureSports,
ExposureSnow,
ExposureBeach,
ExposureAction,
ExposureLandscape,
ExposureNightPortrait,
ExposureTheatre,
ExposureSunset,
ExposureSteadyPhoto,
ExposureFireworks,
ExposureParty,
ExposureCandlelight,
ExposureBarcode
};
bool isAvailable() const;
FlashMode flashMode() const;
bool isFlashModeSupported(FlashMode mode) const;
bool isFlashReady() const;
TorchMode torchMode() const;
bool isTorchModeSupported(TorchMode mode) const;
ExposureMode exposureMode() const;
bool isExposureModeSupported(ExposureMode mode) const;
qreal exposureCompensation() const;
int isoSensitivity() const;
qreal aperture() const;
qreal shutterSpeed() const;
int requestedIsoSensitivity() const;
qreal requestedAperture() const;
qreal requestedShutterSpeed() const;
QList<int> supportedIsoSensitivities(bool *continuous = nullptr) const;
QList<qreal> supportedApertures(bool *continuous = nullptr) const;
QList<qreal> supportedShutterSpeeds(bool *continuous = nullptr) const;
public Q_SLOTS:
void setFlashMode(FlashMode mode);
void setTorchMode(TorchMode mode);
void setExposureMode(ExposureMode mode);
void setExposureCompensation(qreal ev);
void setManualIsoSensitivity(int iso);
void setAutoIsoSensitivity();
void setManualAperture(qreal aperture);
void setAutoAperture();
void setManualShutterSpeed(qreal seconds);
void setAutoShutterSpeed();
Q_SIGNALS:
void flashReady(bool);
void apertureChanged(qreal);
void apertureRangeChanged();
void shutterSpeedChanged(qreal speed);
void shutterSpeedRangeChanged();
void isoSensitivityChanged(int);
void exposureCompensationChanged(qreal);
protected:
virtual ~QCameraExposure();
private:
friend class QCamera;
friend class QCameraPrivate;
explicit QCameraExposure(QCamera *parent, QPlatformCamera *cameraControl);
Q_DISABLE_COPY(QCameraExposure)
Q_DECLARE_PRIVATE(QCameraExposure)
Q_PRIVATE_SLOT(d_func(), void _q_exposureParameterChanged(int))
Q_PRIVATE_SLOT(d_func(), void _q_exposureParameterRangeChanged(int))
QCameraExposurePrivate *d_ptr;
};
QT_END_NAMESPACE
Q_MEDIA_ENUM_DEBUG(QCameraExposure, ExposureMode)
Q_MEDIA_ENUM_DEBUG(QCameraExposure, FlashMode)
#endif // QCAMERAEXPOSURE_H
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