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diff --git a/chart2/source/view/axes/VAxisBase.hxx b/chart2/source/view/axes/VAxisBase.hxx
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+++ b/chart2/source/view/axes/VAxisBase.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_CHART2_SOURCE_VIEW_AXES_VAXISBASE_HXX
+#define INCLUDED_CHART2_SOURCE_VIEW_AXES_VAXISBASE_HXX
+
+#include "VAxisOrGridBase.hxx"
+#include "VAxisProperties.hxx"
+#include "Tickmarks.hxx"
+
+namespace com::sun::star::util { class XNumberFormatsSupplier; }
+
+namespace chart
+{
+
+class VAxisBase : public VAxisOrGridBase
+{
+public:
+    VAxisBase( sal_Int32 nDimensionIndex, sal_Int32 nDimensionCount
+           , const AxisProperties& rAxisProperties
+           , const css::uno::Reference< css::util::XNumberFormatsSupplier >& xNumberFormatsSupplier );
+    virtual ~VAxisBase() override;
+
+    /**
+     * Return the number of dimensions the diagram has.  2 for x and y, and 3
+     * for x, y, and z.
+     */
+    sal_Int32 getDimensionCount() const;
+
+    virtual void createMaximumLabels()=0;
+    virtual void createLabels()=0;
+    virtual void updatePositions()=0;
+
+    virtual bool isAnythingToDraw();
+    virtual void initAxisLabelProperties(
+                    const css::awt::Size& rFontReferenceSize
+                  , const css::awt::Rectangle& rMaximumSpaceForLabels );
+
+    virtual void setExplicitScaleAndIncrement(
+            const ExplicitScaleData& rScale
+          , const ExplicitIncrementData& rIncrement ) override;
+
+    virtual sal_Int32 estimateMaximumAutoMainIncrementCount();
+    virtual void createAllTickInfos( TickInfoArraysType& rAllTickInfos );
+
+    void setExtraLinePositionAtOtherAxis( double fCrossingAt );
+
+protected: //methods
+    static size_t getIndexOfLongestLabel( const css::uno::Sequence<OUString>& rLabels );
+    void removeTextShapesFromTicks();
+    void updateUnscaledValuesAtTicks( TickIter& rIter );
+
+    virtual bool prepareShapeCreation();
+    void recordMaximumTextSize( const css::uno::Reference< css::drawing::XShape >& xShape
+                    , double fRotationAngleDegree );
+
+    bool isDateAxis() const;
+    bool isComplexCategoryAxis() const;
+
+protected: //member
+    css::uno::Reference< css::util::XNumberFormatsSupplier >  m_xNumberFormatsSupplier;
+    AxisProperties                                            m_aAxisProperties;
+    AxisLabelProperties                                       m_aAxisLabelProperties;
+    css::uno::Sequence< OUString >                            m_aTextLabels;
+    bool                                                      m_bUseTextLabels;
+
+    css::uno::Reference< css::drawing::XShapes > m_xGroupShape_Shapes;
+    css::uno::Reference< css::drawing::XShapes > m_xTextTarget;
+
+    /**
+     * This typically consists of 2 TickInfo vectors (i.e. the outer vector
+     * has 2 child vector elements) for normal axis.  The first vector
+     * corresponds with the major ticks while the second corresponds with the
+     * minor ticks.
+     *
+     * It may have more than 2 TickInfo vectors for complex category axis
+     * which has multi-level axis labels.
+     */
+    TickInfoArraysType m_aAllTickInfos;
+    bool m_bReCreateAllTickInfos;
+
+    bool m_bRecordMaximumTextSize;
+    sal_Int32 m_nMaximumTextWidthSoFar;
+    sal_Int32 m_nMaximumTextHeightSoFar;
+};
+
+} //namespace chart
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */