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/****************************************************************************
**
** Copyright (C) 2020 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 AVFCAMERAWINDOWCONTROL_H
#define AVFCAMERAWINDOWCONTROL_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QVideoWindowControl>
@class AVCaptureVideoPreviewLayer;
#if defined(Q_OS_MACOS)
@class NSView;
typedef NSView NativeView;
#else
@class UIView;
typedef UIView NativeView;
#endif
QT_BEGIN_NAMESPACE
class AVFCameraWindowControl : public QVideoWindowControl
{
Q_OBJECT
public:
AVFCameraWindowControl(QObject *parent = nullptr);
virtual ~AVFCameraWindowControl() override;
// QVideoWindowControl interface
public:
WId winId() const override;
void setWinId(WId id) override;
QRect displayRect() const override;
void setDisplayRect(const QRect &rect) override;
bool isFullScreen() const override;
void setFullScreen(bool fullScreen) override;
void repaint() override;
QSize nativeSize() const override;
Qt::AspectRatioMode aspectRatioMode() const override;
void setAspectRatioMode(Qt::AspectRatioMode mode) override;
int brightness() const override;
void setBrightness(int brightness) override;
int contrast() const override;
void setContrast(int contrast) override;
int hue() const override;
void setHue(int hue) override;
int saturation() const override;
void setSaturation(int saturation) override;
// AVF Camera implementation details
void setNativeSize(QSize size);
void setLayer(AVCaptureVideoPreviewLayer *capturePreviewLayer);
private:
void updateAspectRatio();
void updateCaptureLayerBounds();
void retainNativeLayer();
void releaseNativeLayer();
void attachNativeLayer();
void detachNativeLayer();
WId m_winId{0};
QRect m_displayRect;
bool m_fullscreen{false};
Qt::AspectRatioMode m_aspectRatioMode{Qt::IgnoreAspectRatio};
QSize m_nativeSize;
AVCaptureVideoPreviewLayer *m_captureLayer{nullptr};
NativeView *m_nativeView{nullptr};
};
QT_END_NAMESPACE
#endif // AVFCAMERAWINDOWCONTROL_H
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