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/****************************************************************************
**
** 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 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 <qmediaobject.h>
#include <qmediaenumdebug.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
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(FocusMode 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;
FocusMode focusMode() const;
void setFocusMode(FocusMode mode);
bool isFocusModeSupported(FocusMode 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;
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)
QT_END_HEADER
#endif // QCAMERAFOCUS_H
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