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Diffstat (limited to 'src/multimedia/qcameraexposure.h')
| -rw-r--r-- | src/multimedia/qcameraexposure.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/multimedia/qcameraexposure.h b/src/multimedia/qcameraexposure.h new file mode 100644 index 000000000..088e7c036 --- /dev/null +++ b/src/multimedia/qcameraexposure.h @@ -0,0 +1,185 @@ +/**************************************************************************** +** +** 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 QCAMERAEXPOSURE_H +#define QCAMERAEXPOSURE_H + +#include <qmediaobject.h> +#include <qmediaenumdebug.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Multimedia) + + +class QCamera; +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::FlashModes flashMode READ flashMode WRITE setFlashMode) + Q_PROPERTY(QCameraExposure::ExposureMode exposureMode READ exposureMode WRITE setExposureMode) + Q_PROPERTY(QCameraExposure::MeteringMode meteringMode READ meteringMode WRITE setMeteringMode) + + Q_ENUMS(FlashMode) + Q_ENUMS(ExposureMode) + Q_ENUMS(MeteringMode) +public: + enum FlashMode { + FlashAuto = 0x1, + FlashOff = 0x2, + FlashOn = 0x4, + FlashRedEyeReduction = 0x8, + FlashFill = 0x10, + FlashTorch = 0x20, + FlashSlowSyncFrontCurtain = 0x40, + FlashSlowSyncRearCurtain = 0x80, + FlashManual = 0x100 + }; + Q_DECLARE_FLAGS(FlashModes, FlashMode) + + enum ExposureMode { + ExposureAuto = 0, + ExposureManual = 1, + ExposurePortrait = 2, + ExposureNight = 3, + ExposureBacklight = 4, + ExposureSpotlight = 5, + ExposureSports = 6, + ExposureSnow = 7, + ExposureBeach = 8, + ExposureLargeAperture = 9, + ExposureSmallAperture = 10, + ExposureModeVendor = 1000 + }; + + enum MeteringMode { + MeteringMatrix = 1, + MeteringAverage = 2, + MeteringSpot = 3 + }; + + bool isAvailable() const; + + FlashModes flashMode() const; + bool isFlashModeSupported(FlashModes mode) const; + bool isFlashReady() const; + + ExposureMode exposureMode() const; + bool isExposureModeSupported(ExposureMode mode) const; + + qreal exposureCompensation() const; + + MeteringMode meteringMode() const; + + bool isMeteringModeSupported(MeteringMode mode) const; + + int isoSensitivity() const; + QList<int> supportedIsoSensitivities(bool *continuous = 0) const; + + qreal aperture() const; + QList<qreal> supportedApertures(bool *continuous = 0) const; + + qreal shutterSpeed() const; + QList<qreal> supportedShutterSpeeds(bool *continuous = 0) const; + +public Q_SLOTS: + void setFlashMode(FlashModes mode); + void setExposureMode(ExposureMode mode); + + void setExposureCompensation(qreal ev); + + void setMeteringMode(MeteringMode mode); + + 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); + void shutterSpeedRangeChanged(); + void isoSensitivityChanged(int); + void exposureCompensationChanged(qreal); + +private: + friend class QCamera; + explicit QCameraExposure(QCamera *parent = 0); + virtual ~QCameraExposure(); + + 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; +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QCameraExposure::FlashModes) + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QCameraExposure::ExposureMode) +Q_DECLARE_METATYPE(QCameraExposure::FlashModes) +Q_DECLARE_METATYPE(QCameraExposure::MeteringMode) + +Q_MEDIA_ENUM_DEBUG(QCameraExposure, ExposureMode) +Q_MEDIA_ENUM_DEBUG(QCameraExposure, FlashMode) +Q_MEDIA_ENUM_DEBUG(QCameraExposure, MeteringMode) + +QT_END_HEADER + +#endif // QCAMERAEXPOSURE_H |