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diff --git a/include/svx/def3d.hxx b/include/svx/def3d.hxx
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+++ b/include/svx/def3d.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVX_DEF3D_HXX
+#define INCLUDED_SVX_DEF3D_HXX
+
+#include <o3tl/typed_flags_set.hxx>
+
+const double fPiDiv180 = 0.01745329251994;
+const double EPSILON = 1e-06;
+
+#define DEG2RAD(fAngle) (fPiDiv180 * (fAngle))
+
+// 3D helper functions
+
+enum class E3dDragConstraint
+{
+    X   = 0x0001,
+    Y   = 0x0002,
+    Z   = 0x0004,
+    XYZ = X | Y | Z
+};
+namespace o3tl
+{
+    template<> struct typed_flags<E3dDragConstraint> : is_typed_flags<E3dDragConstraint, 0x7> {};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */