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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef S60CAMERAEXPOSURECONTROL_H
#define S60CAMERAEXPOSURECONTROL_H
#include <qcameraexposurecontrol.h>
QT_USE_NAMESPACE
QT_FORWARD_DECLARE_CLASS(S60CameraService)
QT_FORWARD_DECLARE_CLASS(S60ImageCaptureSession)
/*
* Control for exposure related camera operation.
*/
class S60CameraExposureControl : public QCameraExposureControl
{
Q_OBJECT
public: // Constructors & Destructor
S60CameraExposureControl(QObject *parent = 0);
S60CameraExposureControl(S60ImageCaptureSession *session, QObject *parent = 0);
~S60CameraExposureControl();
public: // QCameraExposureControl
// Exposure Mode
QCameraExposure::ExposureMode exposureMode() const;
void setExposureMode(QCameraExposure::ExposureMode mode);
bool isExposureModeSupported(QCameraExposure::ExposureMode mode) const;
// Metering Mode
QCameraExposure::MeteringMode meteringMode() const;
void setMeteringMode(QCameraExposure::MeteringMode mode);
bool isMeteringModeSupported(QCameraExposure::MeteringMode mode) const;
// Exposure Parameter
bool isParameterSupported(ExposureParameter parameter) const;
QVariant exposureParameter(ExposureParameter parameter) const;
QCameraExposureControl::ParameterFlags exposureParameterFlags(ExposureParameter parameter) const;
QVariantList supportedParameterRange(ExposureParameter parameter) const;
bool setExposureParameter(ExposureParameter parameter, const QVariant& value);
QString extendedParameterName(ExposureParameter parameter);
/*
Q_SIGNALS: // QCameraExposureControl
void exposureParameterChanged(int parameter);
void exposureParameterRangeChanged(int parameter);
*/
private slots: // Internal Slots
void apertureChanged();
void apertureRangeChanged();
void shutterSpeedChanged();
void isoSensitivityChanged();
void evChanged();
private: // Internal - Implementing ExposureParameter
// ISO Sensitivity
int isoSensitivity() const;
bool setManualIsoSensitivity(int iso);
void setAutoIsoSensitivity();
bool isIsoSensitivitySupported(const int iso) const;
// Aperture
qreal aperture() const;
bool setManualAperture(qreal aperture);
void setAutoAperture();
bool isApertureSupported(const qreal aperture) const;
// Shutter Speed
qreal shutterSpeed() const;
bool setManualShutterSpeed(qreal seconds);
void setAutoShutterSpeed();
bool isShutterSpeedSupported(const qreal seconds) const;
// Exposure Compensation
qreal exposureCompensation() const;
bool setManualExposureCompensation(qreal ev);
void setAutoExposureCompensation();
bool isExposureCompensationSupported(const qreal ev) const;
private: // Data
S60ImageCaptureSession *m_session;
S60CameraService *m_service;
};
#endif // S60CAMERAEXPOSURECONTROL_H
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