/**************************************************************************** ** ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL21$ ** 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 Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QCAMERAIMAGECAPTURE_H #define QCAMERAIMAGECAPTURE_H #include #include #include #include #include QT_BEGIN_NAMESPACE class QSize; QT_END_NAMESPACE QT_BEGIN_NAMESPACE class QImageEncoderSettings; class QCameraImageCapturePrivate; class Q_MULTIMEDIA_EXPORT QCameraImageCapture : public QObject, public QMediaBindableInterface { Q_OBJECT Q_INTERFACES(QMediaBindableInterface) Q_ENUMS(Error) Q_ENUMS(CaptureDestination) Q_PROPERTY(bool readyForCapture READ isReadyForCapture NOTIFY readyForCaptureChanged) public: enum Error { NoError, NotReadyError, ResourceError, OutOfSpaceError, NotSupportedFeatureError, FormatError }; enum DriveMode { SingleImageCapture }; enum CaptureDestination { CaptureToFile = 0x01, CaptureToBuffer = 0x02 }; Q_DECLARE_FLAGS(CaptureDestinations, CaptureDestination) QCameraImageCapture(QMediaObject *mediaObject, QObject *parent = 0); ~QCameraImageCapture(); bool isAvailable() const; QMultimedia::AvailabilityStatus availability() const; QMediaObject *mediaObject() const; Error error() const; QString errorString() const; bool isReadyForCapture() const; QStringList supportedImageCodecs() const; QString imageCodecDescription(const QString &codecName) const; QList supportedResolutions(const QImageEncoderSettings &settings = QImageEncoderSettings(), bool *continuous = 0) const; QImageEncoderSettings encodingSettings() const; void setEncodingSettings(const QImageEncoderSettings& settings); QList supportedBufferFormats() const; QVideoFrame::PixelFormat bufferFormat() const; void setBufferFormat(const QVideoFrame::PixelFormat format); bool isCaptureDestinationSupported(CaptureDestinations destination) const; CaptureDestinations captureDestination() const; void setCaptureDestination(CaptureDestinations destination); public Q_SLOTS: int capture(const QString &location = QString()); void cancelCapture(); Q_SIGNALS: void error(int id, QCameraImageCapture::Error error, const QString &errorString); void readyForCaptureChanged(bool); void bufferFormatChanged(QVideoFrame::PixelFormat); void captureDestinationChanged(QCameraImageCapture::CaptureDestinations); void imageExposed(int id); void imageCaptured(int id, const QImage &preview); void imageMetadataAvailable(int id, const QString &key, const QVariant &value); void imageAvailable(int id, const QVideoFrame &image); void imageSaved(int id, const QString &fileName); protected: bool setMediaObject(QMediaObject *); QCameraImageCapturePrivate *d_ptr; private: Q_DISABLE_COPY(QCameraImageCapture) Q_DECLARE_PRIVATE(QCameraImageCapture) Q_PRIVATE_SLOT(d_func(), void _q_error(int, int, const QString &)) Q_PRIVATE_SLOT(d_func(), void _q_readyChanged(bool)) Q_PRIVATE_SLOT(d_func(), void _q_serviceDestroyed()) }; Q_DECLARE_OPERATORS_FOR_FLAGS(QCameraImageCapture::CaptureDestinations) QT_END_NAMESPACE Q_DECLARE_METATYPE(QCameraImageCapture::Error) Q_DECLARE_METATYPE(QCameraImageCapture::CaptureDestination) Q_DECLARE_METATYPE(QCameraImageCapture::CaptureDestinations) Q_MEDIA_ENUM_DEBUG(QCameraImageCapture, Error) Q_MEDIA_ENUM_DEBUG(QCameraImageCapture, CaptureDestination) #endif