mirror of
https://github.com/Gator96100/ProxSpace.git
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283 lines
8.6 KiB
C++
283 lines
8.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QCAMERA_H
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#define QCAMERA_H
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#include <QtCore/qstringlist.h>
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#include <QtCore/qpair.h>
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#include <QtCore/qsize.h>
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#include <QtCore/qpoint.h>
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#include <QtCore/qrect.h>
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#include <QtMultimedia/qmediacontrol.h>
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#include <QtMultimedia/qmediaobject.h>
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#include <QtMultimedia/qmediaservice.h>
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#include <QtMultimedia/qcameraexposure.h>
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#include <QtMultimedia/qcamerafocus.h>
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#include <QtMultimedia/qcameraimageprocessing.h>
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#include <QtMultimedia/qcameraviewfindersettings.h>
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#include <QtMultimedia/qmediaenumdebug.h>
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QT_BEGIN_NAMESPACE
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class QAbstractVideoSurface;
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class QVideoWidget;
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class QGraphicsVideoItem;
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class QCameraInfo;
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class QCameraPrivate;
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class Q_MULTIMEDIA_EXPORT QCamera : public QMediaObject
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{
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Q_OBJECT
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Q_PROPERTY(QCamera::State state READ state NOTIFY stateChanged)
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Q_PROPERTY(QCamera::Status status READ status NOTIFY statusChanged)
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Q_PROPERTY(QCamera::CaptureModes captureMode READ captureMode WRITE setCaptureMode NOTIFY captureModeChanged)
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Q_PROPERTY(QCamera::LockStatus lockStatus READ lockStatus NOTIFY lockStatusChanged)
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Q_ENUMS(Status)
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Q_ENUMS(State)
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Q_ENUMS(CaptureMode)
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Q_ENUMS(Error)
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Q_ENUMS(LockStatus)
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Q_ENUMS(LockChangeReason)
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Q_ENUMS(LockType)
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Q_ENUMS(Position)
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public:
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struct FrameRateRange
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{
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Q_DECL_CONSTEXPR FrameRateRange() Q_DECL_NOTHROW
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: minimumFrameRate(0)
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, maximumFrameRate(0)
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{ }
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Q_DECL_CONSTEXPR FrameRateRange(qreal minimum, qreal maximum) Q_DECL_NOTHROW
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: minimumFrameRate(minimum)
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, maximumFrameRate(maximum)
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{ }
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qreal minimumFrameRate;
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qreal maximumFrameRate;
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};
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enum Status {
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UnavailableStatus,
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UnloadedStatus,
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LoadingStatus,
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UnloadingStatus,
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LoadedStatus,
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StandbyStatus,
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StartingStatus,
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StoppingStatus,
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ActiveStatus
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};
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enum State {
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UnloadedState,
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LoadedState,
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ActiveState
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};
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enum CaptureMode
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{
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CaptureViewfinder = 0,
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CaptureStillImage = 0x01,
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CaptureVideo = 0x02
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};
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Q_DECLARE_FLAGS(CaptureModes, CaptureMode)
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enum Error
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{
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NoError,
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CameraError,
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InvalidRequestError,
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ServiceMissingError,
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NotSupportedFeatureError
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};
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enum LockStatus
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{
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Unlocked,
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Searching,
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Locked
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};
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enum LockChangeReason {
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UserRequest,
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LockAcquired,
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LockFailed,
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LockLost,
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LockTemporaryLost
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};
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enum LockType
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{
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NoLock = 0,
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LockExposure = 0x01,
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LockWhiteBalance = 0x02,
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LockFocus = 0x04
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};
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Q_DECLARE_FLAGS(LockTypes, LockType)
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enum Position
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{
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UnspecifiedPosition,
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BackFace,
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FrontFace
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};
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explicit QCamera(QObject *parent = Q_NULLPTR);
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explicit QCamera(const QByteArray& deviceName, QObject *parent = Q_NULLPTR);
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explicit QCamera(const QCameraInfo& cameraInfo, QObject *parent = Q_NULLPTR);
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explicit QCamera(QCamera::Position position, QObject *parent = Q_NULLPTR);
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~QCamera();
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#if QT_DEPRECATED_SINCE(5, 3)
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QT_DEPRECATED static QList<QByteArray> availableDevices();
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QT_DEPRECATED static QString deviceDescription(const QByteArray &device);
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#endif
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QMultimedia::AvailabilityStatus availability() const;
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State state() const;
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Status status() const;
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CaptureModes captureMode() const;
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bool isCaptureModeSupported(CaptureModes mode) const;
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QCameraExposure *exposure() const;
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QCameraFocus *focus() const;
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QCameraImageProcessing *imageProcessing() const;
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void setViewfinder(QVideoWidget *viewfinder);
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void setViewfinder(QGraphicsVideoItem *viewfinder);
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void setViewfinder(QAbstractVideoSurface *surface);
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QCameraViewfinderSettings viewfinderSettings() const;
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void setViewfinderSettings(const QCameraViewfinderSettings &settings);
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QList<QCameraViewfinderSettings> supportedViewfinderSettings(
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const QCameraViewfinderSettings &settings = QCameraViewfinderSettings()) const;
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QList<QSize> supportedViewfinderResolutions(
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const QCameraViewfinderSettings &settings = QCameraViewfinderSettings()) const;
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QList<FrameRateRange> supportedViewfinderFrameRateRanges(
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const QCameraViewfinderSettings &settings = QCameraViewfinderSettings()) const;
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QList<QVideoFrame::PixelFormat> supportedViewfinderPixelFormats(
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const QCameraViewfinderSettings &settings = QCameraViewfinderSettings()) const;
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Error error() const;
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QString errorString() const;
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QCamera::LockTypes supportedLocks() const;
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QCamera::LockTypes requestedLocks() const;
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QCamera::LockStatus lockStatus() const;
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QCamera::LockStatus lockStatus(QCamera::LockType lock) const;
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public Q_SLOTS:
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void setCaptureMode(QCamera::CaptureModes mode);
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void load();
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void unload();
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void start();
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void stop();
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void searchAndLock();
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void unlock();
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void searchAndLock(QCamera::LockTypes locks);
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void unlock(QCamera::LockTypes locks);
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Q_SIGNALS:
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void stateChanged(QCamera::State);
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void captureModeChanged(QCamera::CaptureModes);
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void statusChanged(QCamera::Status);
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void locked();
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void lockFailed();
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void lockStatusChanged(QCamera::LockStatus, QCamera::LockChangeReason);
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void lockStatusChanged(QCamera::LockType, QCamera::LockStatus, QCamera::LockChangeReason);
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void error(QCamera::Error);
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private:
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Q_DISABLE_COPY(QCamera)
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Q_DECLARE_PRIVATE(QCamera)
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Q_PRIVATE_SLOT(d_func(), void _q_preparePropertyChange(int))
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Q_PRIVATE_SLOT(d_func(), void _q_restartCamera())
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Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &))
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Q_PRIVATE_SLOT(d_func(), void _q_updateLockStatus(QCamera::LockType, QCamera::LockStatus, QCamera::LockChangeReason))
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Q_PRIVATE_SLOT(d_func(), void _q_updateState(QCamera::State))
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friend class QCameraInfo;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QCamera::LockTypes)
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Q_DECL_CONSTEXPR Q_INLINE_TEMPLATE bool operator==(const QCamera::FrameRateRange &r1, const QCamera::FrameRateRange &r2) Q_DECL_NOTHROW
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{ return r1.minimumFrameRate == r2.minimumFrameRate && r1.maximumFrameRate == r2.maximumFrameRate; }
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Q_DECL_CONSTEXPR Q_INLINE_TEMPLATE bool operator!=(const QCamera::FrameRateRange &r1, const QCamera::FrameRateRange &r2) Q_DECL_NOTHROW
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{ return !(r1 == r2); }
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Q_DECLARE_TYPEINFO(QCamera::FrameRateRange, Q_PRIMITIVE_TYPE);
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QT_END_NAMESPACE
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Q_DECLARE_METATYPE(QCamera::State)
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Q_DECLARE_METATYPE(QCamera::Status)
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Q_DECLARE_METATYPE(QCamera::Error)
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Q_DECLARE_METATYPE(QCamera::CaptureMode)
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Q_DECLARE_METATYPE(QCamera::CaptureModes)
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Q_DECLARE_METATYPE(QCamera::LockType)
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Q_DECLARE_METATYPE(QCamera::LockStatus)
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Q_DECLARE_METATYPE(QCamera::LockChangeReason)
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Q_DECLARE_METATYPE(QCamera::Position)
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Q_MEDIA_ENUM_DEBUG(QCamera, State)
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Q_MEDIA_ENUM_DEBUG(QCamera, Status)
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Q_MEDIA_ENUM_DEBUG(QCamera, Error)
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Q_MEDIA_ENUM_DEBUG(QCamera, CaptureMode)
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Q_MEDIA_ENUM_DEBUG(QCamera, LockType)
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Q_MEDIA_ENUM_DEBUG(QCamera, LockStatus)
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Q_MEDIA_ENUM_DEBUG(QCamera, LockChangeReason)
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Q_MEDIA_ENUM_DEBUG(QCamera, Position)
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#endif // QCAMERA_H
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