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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 .
+ */
+#pragma once
+
+#include <rtl/ustring.hxx>
+#include <svx/unoshape.hxx>
+#include <vector>
+
+namespace com::sun::star::drawing { struct HomogenMatrix; }
+namespace com::sun::star::drawing { struct Position3D; }
+namespace com::sun::star::drawing { class XShapes; }
+namespace com::sun::star::lang { class XMultiServiceFactory; }
+
+namespace chart { struct ExplicitScaleData; }
+
+namespace chart
+{
+
+class PlottingPositionHelper;
+class ShapeFactory;
+
+/** This class provides methods for setting axis scales and for performing
+ * scene to screen transformations. It is used as the base class for all
+ * plotter classes.
+ */
+class PlotterBase
+{
+public:
+ PlotterBase( sal_Int32 nDimension );
+ virtual ~PlotterBase();
+
+ /// @throws css::uno::RuntimeException
+ virtual void initPlotter(
+ const rtl::Reference<SvxShapeGroupAnyD>& xLogicTarget
+ , const rtl::Reference<SvxShapeGroupAnyD>& xFinalTarget
+ , const OUString& rCID
+ );
+
+ virtual void setScales( std::vector< ExplicitScaleData >&& rScales, bool bSwapXAndYAxis );
+
+ virtual void setTransformationSceneToScreen( const css::drawing::HomogenMatrix& rMatrix );
+
+ virtual void createShapes() = 0;
+
+ static bool isValidPosition( const css::drawing::Position3D& rPos );
+
+protected: //methods
+ rtl::Reference< SvxShapeGroupAnyD >
+ createGroupShape( const rtl::Reference< SvxShapeGroupAnyD >& xTarget
+ , const OUString& rName=OUString() );
+
+protected: //member
+ rtl::Reference< SvxShapeGroupAnyD > m_xLogicTarget;
+ rtl::Reference< SvxShapeGroupAnyD > m_xFinalTarget;
+ OUString m_aCID;
+
+ const sal_Int32 m_nDimension;
+ // needs to be created and deleted by the derived class
+ PlottingPositionHelper* m_pPosHelper;
+};
+} //namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */