qt-everywhere-src-5.15.1/qt3d/src/quick3d/quick3drender/items/quick3dbuffer_p.h

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#ifndef QT3DRENDER_RENDER_QUICK_QUICK3DBUFFER_P_H
#define QT3DRENDER_RENDER_QUICK_QUICK3DBUFFER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <Qt3DRender/QBuffer>

#include <Qt3DQuickRender/private/qt3dquickrender_global_p.h>

QT_BEGIN_NAMESPACE

class QQmlEngine;
class QJSValue;

namespace QV4 {
struct ExecutionEngine;
}

namespace Qt3DRender {

namespace Render {

namespace Quick {

class Q_3DQUICKRENDERSHARED_PRIVATE_EXPORT Quick3DBuffer : public Qt3DRender::QBuffer
{
    Q_OBJECT
    Q_PROPERTY(QVariant data READ bufferData WRITE setBufferData NOTIFY bufferDataChanged)
public:
    explicit Quick3DBuffer(Qt3DCore::QNode *parent = nullptr);

    QVariant bufferData() const;
    void setBufferData(const QVariant &bufferData);

    Q_INVOKABLE QVariant readBinaryFile(const QUrl &fileUrl);

public Q_SLOTS:
    void updateData(int offset, const QVariant &bytes);

Q_SIGNALS:
    void bufferDataChanged();

private:
    QQmlEngine *m_engine;
    QV4::ExecutionEngine *m_v4engine;
    void initEngines();
    QByteArray convertToRawData(const QJSValue &jsValue);
};

} // Quick

} // Render

} // Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_QUICK_QUICK3DBUFFER_P_H