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diff --git a/src/api/studio3d/q3dsviewersettings.h b/src/api/studio3d/q3dsviewersettings.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 Q3DSVIEWERSETTINGS_H
+#define Q3DSVIEWERSETTINGS_H
+
+#include <QtStudio3D/qstudio3dglobal.h>
+#include <QtCore/qobject.h>
+#include <QtGui/qcolor.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q3DSViewerSettingsPrivate;
+
+class Q_STUDIO3D_EXPORT Q3DSViewerSettings : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(Q3DSViewerSettings)
+    Q_ENUMS(ShadeMode)
+    Q_ENUMS(ScaleMode)
+
+// #TODO: QT3DS-3542 Q3DSViewerSettings API is missing property matteEnabled compared to 2.3
+//    Q_PROPERTY(bool matteEnabled READ matteEnabled WRITE setMatteEnabled NOTIFY matteEnabledChanged)
+
+    Q_PROPERTY(QColor matteColor READ matteColor WRITE setMatteColor NOTIFY matteColorChanged)
+    Q_PROPERTY(bool showRenderStats READ isShowRenderStats WRITE setShowRenderStats NOTIFY showRenderStatsChanged)
+    Q_PROPERTY(ScaleMode scaleMode READ scaleMode WRITE setScaleMode NOTIFY scaleModeChanged)
+
+public:
+    enum ShadeMode {
+        ShadeModeShaded,
+        ShadeModeShadedWireframe
+    };
+
+    enum ScaleMode {
+        ScaleModeFit,
+        ScaleModeFill,
+        ScaleModeCenter
+    };
+
+    explicit Q3DSViewerSettings(QObject *parent = nullptr);
+    ~Q3DSViewerSettings();
+
+    QColor matteColor() const;
+    bool isShowRenderStats() const;
+    ScaleMode scaleMode() const;
+
+    Q_INVOKABLE void save(const QString &group, const QString &organization = QString(),
+                          const QString &application = QString());
+    Q_INVOKABLE void load(const QString &group, const QString &organization = QString(),
+                          const QString &application = QString());
+
+public Q_SLOTS:
+    void setMatteColor(const QColor &color);
+    void setShowRenderStats(bool show);
+    void setScaleMode(ScaleMode mode);
+
+Q_SIGNALS:
+    void matteColorChanged(const QColor &color);
+    void showRenderStatsChanged(bool show);
+    void shadeModeChanged(ShadeMode mode);
+    void scaleModeChanged(ScaleMode mode);
+
+private:
+    Q_DISABLE_COPY(Q3DSViewerSettings)
+    Q3DSViewerSettingsPrivate *d_ptr;
+
+    ShadeMode shadeMode() const;
+    void setShadeMode(ShadeMode mode);
+
+    friend class Q3DSSurfaceViewerPrivate;
+    friend class Q3DSRenderer;
+    friend class Q3DSStudio3D;
+};
+
+QT_END_NAMESPACE
+
+#endif // Q3DSVIEWERSETTINGS_H