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/****************************************************************************
**
** 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 QCAMERAFOCUS_H
#define QCAMERAFOCUS_H
#include <QtCore/qstringlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qsize.h>
#include <QtCore/qpoint.h>
#include <QtCore/qrect.h>
#include <QtCore/qshareddata.h>
#include <QtMultimedia/qmediaobject.h>
#include <QtMultimedia/qmediaenumdebug.h>
QT_BEGIN_NAMESPACE
class QCamera;
class QCameraFocusZoneData;
class Q_MULTIMEDIA_EXPORT QCameraFocusZone {
public:
enum FocusZoneStatus {
Invalid,
Unused,
Selected,
Focused
};
QCameraFocusZone();
QCameraFocusZone(const QRectF &area, FocusZoneStatus status = Selected);
QCameraFocusZone(const QCameraFocusZone &other);
QCameraFocusZone& operator=(const QCameraFocusZone &other);
bool operator==(const QCameraFocusZone &other) const;
bool operator!=(const QCameraFocusZone &other) const;
~QCameraFocusZone();
bool isValid() const;
QRectF area() const;
FocusZoneStatus status() const;
void setStatus(FocusZoneStatus status);
private:
QSharedDataPointer<QCameraFocusZoneData> d;
};
typedef QList<QCameraFocusZone> QCameraFocusZoneList;
class QCameraFocusPrivate;
class Q_MULTIMEDIA_EXPORT QCameraFocus : public QObject
{
Q_OBJECT
Q_PROPERTY(FocusModes focusMode READ focusMode WRITE setFocusMode)
Q_PROPERTY(FocusPointMode focusPointMode READ focusPointMode WRITE setFocusPointMode)
Q_PROPERTY(QPointF customFocusPoint READ customFocusPoint WRITE setCustomFocusPoint)
Q_PROPERTY(QCameraFocusZoneList focusZones READ focusZones NOTIFY focusZonesChanged)
Q_PROPERTY(qreal opticalZoom READ opticalZoom NOTIFY opticalZoomChanged)
Q_PROPERTY(qreal digitalZoom READ digitalZoom NOTIFY digitalZoomChanged)
Q_ENUMS(FocusMode)
Q_ENUMS(FocusPointMode)
public:
enum FocusMode {
ManualFocus = 0x1,
HyperfocalFocus = 0x02,
InfinityFocus = 0x04,
AutoFocus = 0x8,
ContinuousFocus = 0x10,
MacroFocus = 0x20
};
Q_DECLARE_FLAGS(FocusModes, FocusMode)
enum FocusPointMode {
FocusPointAuto,
FocusPointCenter,
FocusPointFaceDetection,
FocusPointCustom
};
bool isAvailable() const;
FocusModes focusMode() const;
void setFocusMode(FocusModes mode);
bool isFocusModeSupported(FocusModes mode) const;
FocusPointMode focusPointMode() const;
void setFocusPointMode(FocusPointMode mode);
bool isFocusPointModeSupported(FocusPointMode) const;
QPointF customFocusPoint() const;
void setCustomFocusPoint(const QPointF &point);
QCameraFocusZoneList focusZones() const;
qreal maximumOpticalZoom() const;
qreal maximumDigitalZoom() const;
qreal opticalZoom() const;
qreal digitalZoom() const;
void zoomTo(qreal opticalZoom, qreal digitalZoom);
Q_SIGNALS:
void opticalZoomChanged(qreal);
void digitalZoomChanged(qreal);
void focusZonesChanged();
void maximumOpticalZoomChanged(qreal);
void maximumDigitalZoomChanged(qreal);
private:
friend class QCamera;
friend class QCameraPrivate;
QCameraFocus(QCamera *camera);
~QCameraFocus();
Q_DISABLE_COPY(QCameraFocus)
Q_DECLARE_PRIVATE(QCameraFocus)
QCameraFocusPrivate *d_ptr;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QCameraFocus::FocusModes)
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QCameraFocus::FocusModes)
Q_DECLARE_METATYPE(QCameraFocus::FocusPointMode)
Q_MEDIA_ENUM_DEBUG(QCameraFocus, FocusMode)
Q_MEDIA_ENUM_DEBUG(QCameraFocus, FocusPointMode)
#endif // QCAMERAFOCUS_H
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