qiosurfacegraphicsbuffer.h

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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QIOSURFACEGRAPHICSBUFFER_H
#define QIOSURFACEGRAPHICSBUFFER_H
 
#include <qpa/qplatformgraphicsbuffer.h>
#include <private/qcore_mac_p.h>
 
#include <CoreGraphics/CGColorSpace.h>
#include <IOSurface/IOSurface.h>
 
QT_BEGIN_NAMESPACE
 
class QIOSurfaceGraphicsBuffer : public QPlatformGraphicsBuffer
{
public:
    QIOSurfaceGraphicsBuffer(const QSize &size, const QPixelFormat &format);
    ~QIOSurfaceGraphicsBuffer();
 
    void setColorSpace(QCFType<CGColorSpaceRef> colorSpace);
 
    const uchar *data() const override;
    uchar *data() override;
    int bytesPerLine() const override;
 
    IOSurfaceRef surface();
    bool isInUse() const;
 
protected:
    bool doLock(AccessTypes access, const QRect &rect) override;
    void doUnlock() override;
 
private:
    QCFType<IOSurfaceRef> m_surface;
 
    friend QDebug operator<<(QDebug, const QIOSurfaceGraphicsBuffer *);
};
 
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug, const QIOSurfaceGraphicsBuffer *);
#endif
 
QT_END_NAMESPACE
 
#endif // QIOSURFACEGRAPHICSBUFFER_H