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diff --git a/src/api/studio3d/q3dssurfaceviewer.h b/src/api/studio3d/q3dssurfaceviewer.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) 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.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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q3DSSURFACEVIEWER_H
+#define Q3DSSURFACEVIEWER_H
+
+#include <QtStudio3D/qstudio3dglobal.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qsize.h>
+#include <QtCore/qurl.h>
+#include <QtGui/qimage.h>
+#include <QtGui/qopengl.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q3DSSurfaceViewerPrivate;
+class QSurface;
+class QOpenGLContext;
+class Q3DSViewerSettings;
+class Q3DSPresentation;
+class QQmlEngine;
+
+class Q_STUDIO3D_EXPORT Q3DSSurfaceViewer : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(Q3DSSurfaceViewer)
+
+    Q_PROPERTY(QString error READ error NOTIFY errorChanged)
+    Q_PROPERTY(bool running READ isRunning NOTIFY runningChanged)
+    Q_PROPERTY(QSize size READ size WRITE setSize NOTIFY sizeChanged)
+    Q_PROPERTY(bool autoSize READ autoSize WRITE setAutoSize NOTIFY autoSizeChanged)
+    Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval NOTIFY updateIntervalChanged)
+    Q_PROPERTY(QString presentationId READ presentationId WRITE setPresentationId NOTIFY presentationIdChanged)
+
+public:
+    explicit Q3DSSurfaceViewer(QObject *parent = nullptr);
+    ~Q3DSSurfaceViewer();
+
+    bool create(QSurface *surface, QOpenGLContext *context);
+    bool create(QSurface *surface, QOpenGLContext *context, GLuint fboId);
+    void destroy();
+
+    Q3DSPresentation *presentation() const;
+    Q3DSViewerSettings *settings() const;
+
+    bool isRunning() const;
+
+    QSize size() const;
+    void setSize(const QSize &size);
+
+    bool autoSize() const;
+    void setAutoSize(bool autoSize);
+
+    int updateInterval() const;
+    void setUpdateInterval(int interval);
+
+    int fboId() const;
+    QSurface *surface() const;
+    QOpenGLContext *context() const;
+
+    QImage grab(const QRect &rect = QRect());
+
+    QQmlEngine *qmlEngine() const;
+    void setQmlEngine(QQmlEngine *qmlEngine);
+    QString presentationId() const;
+
+    QString error() const;
+
+public Q_SLOTS:
+    void update();
+    void setPresentationId(const QString &id);
+
+Q_SIGNALS:
+    void presentationLoaded();
+    void presentationReady();
+    void frameUpdate();
+    void errorChanged();
+
+    void presentationIdChanged(const QString &id);
+    void sizeChanged(const QSize &size);
+    void autoSizeChanged(bool autoSize);
+    void updateIntervalChanged(bool autoUpdate);
+    void runningChanged(bool initialized);
+
+private:
+    Q_DISABLE_COPY(Q3DSSurfaceViewer)
+    Q3DSSurfaceViewerPrivate *d_ptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // Q3DSSURFACEVIEWER_H