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diff --git a/src/utils/utils_p.h b/src/utils/utils_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtDataVis3D module.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  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.
+
+#ifndef UTILS_P_H
+#define UTILS_P_H
+
+#include "qdatavis3dglobal.h"
+#include "qdatavis3namespace.h"
+#include "q3dbars.h"
+
+class QVector3D;
+class QColor;
+class QPainter;
+class QString;
+class QPoint;
+class QImage;
+
+QTCOMMERCIALDATAVIS3D_BEGIN_NAMESPACE
+
+class Utils
+{
+    public:
+    static QVector3D vectorFromColor(const QColor &color);
+    static void printText(QPainter *painter, const QString &text, const QSize &position,
+                          bool absoluteCoords = true, qreal rotation = 0, qreal scale = 1.0f);
+    static QImage printTextToImage(const QFont &font,
+                                   const QString &text,
+                                   const QColor &bgrColor,
+                                   const QColor &txtColor,
+                                   LabelTransparency transparency);
+    static QVector3D getSelection(QPoint mousepos, int height);
+};
+
+QTCOMMERCIALDATAVIS3D_END_NAMESPACE
+
+#endif