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diff --git a/include/svx/charthelper.hxx b/include/svx/charthelper.hxx
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+/*
+ * 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 CHARTHELPER_HXX
+#define CHARTHELPER_HXX
+
+#include <com/sun/star/frame/XModel.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <svx/svxdllapi.h>
+#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+// predeclarations
+
+namespace svt { class EmbeddedObjectRef; }
+
+//////////////////////////////////////////////////////////////////////////////
+
+class SVX_DLLPUBLIC ChartHelper
+{
+public:
+    // test if given reference is a chart
+    static bool IsChart(const svt::EmbeddedObjectRef& xObjRef);
+
+    // try to access rXModel in case of a chart to to get the chart content
+    // as sequence of primitives. Return range of primitives (chart size) in rRange;
+    // it will be used to embed the chart to the SdrObject transformation. This
+    // allows to define possible distances between chart and SDrObject bounds here
+    static drawinglayer::primitive2d::Primitive2DSequence tryToGetChartContentAsPrimitive2DSequence(
+        const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >& rXModel,
+        basegfx::B2DRange& rRange);
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+#endif //CHARTHELPER_HXX