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Diffstat (limited to 'src/multimedia/qcamera.h')
| -rw-r--r-- | src/multimedia/qcamera.h | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/multimedia/qcamera.h b/src/multimedia/qcamera.h new file mode 100644 index 000000000..da009e161 --- /dev/null +++ b/src/multimedia/qcamera.h @@ -0,0 +1,238 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 QCAMERA_H +#define QCAMERA_H + +#include <QtCore/qstringlist.h> +#include <QtCore/qpair.h> +#include <QtCore/qsize.h> +#include <QtCore/qpoint.h> +#include <QtCore/qrect.h> + +#include <qmediacontrol.h> +#include <qmediaobject.h> +#include <qmediaservice.h> + +#include <qcameraexposure.h> +#include <qcamerafocus.h> +#include <qcameraimageprocessing.h> + +#include <qmediaserviceprovider.h> +#include <qmediaenumdebug.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Multimedia) + + +class QAbstractVideoSurface; +class QVideoWidget; +class QGraphicsVideoItem; + +class QCameraPrivate; +class Q_MULTIMEDIA_EXPORT QCamera : public QMediaObject +{ + Q_OBJECT + Q_PROPERTY(QCamera::State state READ state NOTIFY stateChanged) + Q_PROPERTY(QCamera::Status status READ status NOTIFY statusChanged) + Q_PROPERTY(QCamera::CaptureMode captureMode READ captureMode WRITE setCaptureMode NOTIFY captureModeChanged) + Q_PROPERTY(QCamera::LockStatus lockStatus READ lockStatus NOTIFY lockStatusChanged) + + Q_ENUMS(Status) + Q_ENUMS(State) + Q_ENUMS(CaptureMode) + Q_ENUMS(Error) + Q_ENUMS(LockStatus) + Q_ENUMS(LockChangeReason) + Q_ENUMS(LockType) +public: + enum Status { + UnavailableStatus, + UnloadedStatus, + LoadingStatus, + LoadedStatus, + StandbyStatus, + StartingStatus, + ActiveStatus + }; + + enum State { + UnloadedState, + LoadedState, + ActiveState + }; + + enum CaptureMode + { + CaptureStillImage, + CaptureVideo + }; + + enum Error + { + NoError, + CameraError, + InvalidRequestError, + ServiceMissingError, + NotSupportedFeatureError + }; + + enum LockStatus + { + Unlocked, + Searching, + Locked + }; + + enum LockChangeReason { + UserRequest, + LockAcquired, + LockFailed, + LockLost, + LockTemporaryLost + }; + + enum LockType + { + NoLock = 0, + LockExposure = 0x01, + LockWhiteBalance = 0x02, + LockFocus = 0x04 + }; + Q_DECLARE_FLAGS(LockTypes, LockType) + + QCamera(QObject *parent = 0, QMediaServiceProvider *provider = QMediaServiceProvider::defaultServiceProvider()); + QCamera(const QByteArray& device, QObject *parent = 0); + ~QCamera(); + + static QList<QByteArray> availableDevices(); + static QString deviceDescription(const QByteArray &device); + + bool isAvailable() const; + QtMultimedia::AvailabilityError availabilityError() const; + + State state() const; + Status status() const; + + CaptureMode captureMode() const; + bool isCaptureModeSupported(CaptureMode mode) const; + + QCameraExposure *exposure() const; + QCameraFocus *focus() const; + QCameraImageProcessing *imageProcessing() const; + + void setViewfinder(QVideoWidget *viewfinder); + void setViewfinder(QGraphicsVideoItem *viewfinder); + void setViewfinder(QAbstractVideoSurface *surface); + + Error error() const; + QString errorString() const; + + QCamera::LockTypes supportedLocks() const; + QCamera::LockTypes requestedLocks() const; + + QCamera::LockStatus lockStatus() const; + QCamera::LockStatus lockStatus(QCamera::LockType lock) const; + +public Q_SLOTS: + void setCaptureMode(QCamera::CaptureMode mode); + + void load(); + void unload(); + + void start(); + void stop(); + + void searchAndLock(); + void unlock(); + + void searchAndLock(QCamera::LockTypes locks); + void unlock(QCamera::LockTypes locks); + +Q_SIGNALS: + void stateChanged(QCamera::State); + void captureModeChanged(QCamera::CaptureMode); + void statusChanged(QCamera::Status); + + void locked(); + void lockFailed(); + + void lockStatusChanged(QCamera::LockStatus, QCamera::LockChangeReason); + void lockStatusChanged(QCamera::LockType, QCamera::LockStatus, QCamera::LockChangeReason); + + void error(QCamera::Error); + +private: + Q_DISABLE_COPY(QCamera) + Q_DECLARE_PRIVATE(QCamera) + Q_PRIVATE_SLOT(d_func(), void _q_preparePropertyChange(int)) + Q_PRIVATE_SLOT(d_func(), void _q_restartCamera()) + Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &)) + Q_PRIVATE_SLOT(d_func(), void _q_updateLockStatus(QCamera::LockType, QCamera::LockStatus, QCamera::LockChangeReason)) + Q_PRIVATE_SLOT(d_func(), void _q_updateState(QCamera::State)) +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QCamera::LockTypes) + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QCamera::State) +Q_DECLARE_METATYPE(QCamera::Status) +Q_DECLARE_METATYPE(QCamera::Error) +Q_DECLARE_METATYPE(QCamera::CaptureMode) +Q_DECLARE_METATYPE(QCamera::LockType) +Q_DECLARE_METATYPE(QCamera::LockStatus) +Q_DECLARE_METATYPE(QCamera::LockChangeReason) + +Q_MEDIA_ENUM_DEBUG(QCamera, State) +Q_MEDIA_ENUM_DEBUG(QCamera, Status) +Q_MEDIA_ENUM_DEBUG(QCamera, Error) +Q_MEDIA_ENUM_DEBUG(QCamera, CaptureMode) +Q_MEDIA_ENUM_DEBUG(QCamera, LockType) +Q_MEDIA_ENUM_DEBUG(QCamera, LockStatus) +Q_MEDIA_ENUM_DEBUG(QCamera, LockChangeReason) + +QT_END_HEADER + +#endif // QCAMERA_H |