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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 <QtCore/qobject.h>
#include <QtMultimedia/qcameraexposure.h>
#include <QtMultimedia/qcameraimageprocessing.h>
#include <QtMultimedia/qcamerainfo.h>
#include <QtMultimedia/qmediaenumdebug.h>
QT_BEGIN_NAMESPACE
class QCameraInfo;
class QPlatformMediaCaptureSession;
class QMediaCaptureSession;
class QCameraPrivate;
class Q_MULTIMEDIA_EXPORT QCamera : public QObject
{
Q_OBJECT
Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged)
Q_PROPERTY(QCamera::Status status READ status NOTIFY statusChanged)
Q_PROPERTY(QCameraExposure* exposure READ exposure CONSTANT)
Q_PROPERTY(QCameraImageProcessing* imageProcessing READ imageProcessing CONSTANT)
Q_PROPERTY(QCameraInfo cameraInfo READ cameraInfo WRITE setCameraInfo NOTIFY cameraInfoChanged)
Q_PROPERTY(Error error READ error NOTIFY errorChanged)
Q_PROPERTY(QString errorString READ errorString NOTIFY errorChanged)
Q_PROPERTY(QCameraFormat cameraFormat READ cameraFormat WRITE setCameraFormat NOTIFY cameraFormatChanged)
Q_PROPERTY(FocusMode focusMode READ focusMode WRITE setFocusMode)
Q_PROPERTY(QPointF customFocusPoint READ customFocusPoint WRITE setCustomFocusPoint NOTIFY customFocusPointChanged)
Q_PROPERTY(float focusDistance READ focusDistance WRITE setFocusDistance NOTIFY focusDistanceChanged)
Q_PROPERTY(float minimumZoomFactor READ minimumZoomFactor NOTIFY minimumZoomFactorChanged)
Q_PROPERTY(float maximumZoomFactor READ maximumZoomFactor NOTIFY maximumZoomFactorChanged)
Q_PROPERTY(float zoomFactor READ zoomFactor WRITE setZoomFactor NOTIFY zoomFactorChanged)
Q_ENUMS(FocusMode)
Q_ENUMS(Status)
Q_ENUMS(Error)
public:
enum Status {
UnavailableStatus,
InactiveStatus,
StartingStatus,
StoppingStatus,
ActiveStatus
};
enum Error
{
NoError,
CameraError
};
enum FocusMode {
FocusModeAuto,
FocusModeAutoNear,
FocusModeAutoFar,
FocusModeHyperfocal,
FocusModeInfinity,
FocusModeManual
};
explicit QCamera(QObject *parent = nullptr);
explicit QCamera(const QCameraInfo& cameraInfo, QObject *parent = nullptr);
explicit QCamera(QCameraInfo::Position position, QObject *parent = nullptr);
~QCamera();
bool isAvailable() const;
bool isActive() const;
Status status() const;
QMediaCaptureSession *captureSession() const;
QCameraInfo cameraInfo() const;
void setCameraInfo(const QCameraInfo &cameraInfo);
QCameraFormat cameraFormat() const;
void setCameraFormat(const QCameraFormat &format);
QCameraExposure *exposure() const;
QCameraImageProcessing *imageProcessing() const;
Error error() const;
QString errorString() const;
FocusMode focusMode() const;
void setFocusMode(FocusMode mode);
bool isFocusModeSupported(FocusMode mode) const;
QPointF focusPoint() const;
QPointF customFocusPoint() const;
void setCustomFocusPoint(const QPointF &point);
bool isCustomFocusPointSupported() const;
void setFocusDistance(float d);
float focusDistance() const;
float minimumZoomFactor() const;
float maximumZoomFactor() const;
float zoomFactor() const;
void setZoomFactor(float factor);
public Q_SLOTS:
void setActive(bool active);
void start() { setActive(true); }
void stop() { setActive(false); }
void zoomTo(float zoom, float rate);
Q_SIGNALS:
void activeChanged(bool);
void statusChanged(QCamera::Status status);
void errorChanged();
void errorOccurred(QCamera::Error error, const QString &errorString);
void cameraInfoChanged();
void cameraFormatChanged();
void focusModeChanged();
void zoomFactorChanged(float);
void minimumZoomFactorChanged(float);
void maximumZoomFactorChanged(float);
void focusDistanceChanged(float);
void customFocusPointChanged();
private:
void setCaptureSession(QMediaCaptureSession *session);
friend class QMediaCaptureSession;
Q_DISABLE_COPY(QCamera)
Q_DECLARE_PRIVATE(QCamera)
Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &))
friend class QCameraInfo;
};
QT_END_NAMESPACE
Q_MEDIA_ENUM_DEBUG(QCamera, Status)
Q_MEDIA_ENUM_DEBUG(QCamera, Error)
#endif // QCAMERA_H
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