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diff --git a/include/svx/charthelper.hxx b/include/svx/charthelper.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_CHARTHELPER_HXX
+#define INCLUDED_SVX_CHARTHELPER_HXX
+
+#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
+#include <sal/types.h>
+#include <svx/svxdllapi.h>
+
+namespace com::sun::star {
+    namespace embed { class XEmbeddedObject; }
+    namespace frame { class XModel; }
+    namespace uno { template <typename > class Reference; }
+}
+
+namespace basegfx { class B2DRange; }
+
+class SAL_WARN_UNUSED SVXCORE_DLLPUBLIC ChartHelper
+{
+public:
+    /// Use chart's XUpdatable::update() to update values.
+    static void updateChart( const css::uno::Reference< css::frame::XModel >& rXModel );
+
+    // try to access rXModel in case of a chart 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::Primitive2DContainer tryToGetChartContentAsPrimitive2DSequence(
+        const css::uno::Reference< css::frame::XModel >& rXModel,
+        basegfx::B2DRange& rRange);
+
+    // #i121334# Allow to switch off line and fill style by setting these as attributes
+    // at the OLE chart object. This is needed to allow fill styles of the covering objects
+    // to make their own fill/line settings work. This should not be done by changing
+    // the defaults at the chart (see StaticPageBackgroundDefaults_Initializer::lcl_AddDefaultsToMap)
+    // since this would not be saved/loaded, thus the compatibility will be better when setting it at
+    // newly created charts using this method
+    static void AdaptDefaultsForChart(
+        const css::uno::Reference < css::embed::XEmbeddedObject > & xEmbObj);
+};
+
+#endif // INCLUDED_SVX_CHARTHELPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */