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diff --git a/src/datavisualization/engine/barseriesrendercache_p.h b/src/datavisualization/engine/barseriesrendercache_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the QtDataVisualization API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef BARSERIESRENDERCACHE_P_H
+#define BARSERIESRENDERCACHE_P_H
+
+#include "datavisualizationglobal_p.h"
+#include "seriesrendercache_p.h"
+#include "qbar3dseries_p.h"
+#include "barrenderitem_p.h"
+
+QT_BEGIN_NAMESPACE_DATAVISUALIZATION
+
+class BarSeriesRenderCache : public SeriesRenderCache
+{
+public:
+    BarSeriesRenderCache(QAbstract3DSeries *series, Abstract3DRenderer *renderer);
+    virtual ~BarSeriesRenderCache();
+
+    void cleanup(TextureHelper *texHelper);
+
+    inline BarRenderItemArray &renderArray() { return m_renderArray; }
+    inline QBar3DSeries *series() const { return static_cast<QBar3DSeries *>(m_series); }
+    inline QVector<BarRenderSliceItem> &sliceArray() { return m_sliceArray; }
+    inline void setVisualIndex(int index) { m_visualIndex = index; }
+    inline int visualIndex() {return m_visualIndex; }
+
+protected:
+    BarRenderItemArray m_renderArray;
+    QVector<BarRenderSliceItem> m_sliceArray;
+    int m_visualIndex; // order of the series is relevant
+};
+
+QT_END_NAMESPACE_DATAVISUALIZATION
+
+#endif