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diff --git a/include/basegfx/tools/zoomtools.hxx b/include/basegfx/tools/zoomtools.hxx
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+++ b/include/basegfx/tools/zoomtools.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Version: MPL 1.1 / GPLv3+ / LGPLv3+
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License or as specified alternatively below. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * Major Contributor(s):
+ * Copyright (C) 2012 Tim Hardeck <thardeck@suse.com>
+ *
+ * All Rights Reserved.
+ *
+ * For minor contributions see the git repository.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
+ * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
+ * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
+ * instead of those above.
+ */
+
+#ifndef _BGFX_TOOLS_ZOOMTOOLS_HXX
+#define _BGFX_TOOLS_ZOOMTOOLS_HXX
+
+#include <sal/types.h>
+#include <basegfx/basegfxdllapi.h>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace basegfx
+{
+    /** This namespace provides functions for optimized geometric zooming
+    */
+    namespace zoomtools
+    {
+        BASEGFX_DLLPUBLIC long zoomOut(long nCurrent);
+        BASEGFX_DLLPUBLIC long zoomIn(long nCurrent);
+    }
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */