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diff --git a/src/charts/piechart/qpieseries_p.h b/src/charts/piechart/qpieseries_p.h
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+++ b/src/charts/piechart/qpieseries_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 Qt Enterprise Charts Add-on.
+**
+** $QT_BEGIN_LICENSE$
+** 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
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt Enterprise Chart 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 QPIESERIES_P_H
+#define QPIESERIES_P_H
+
+#include "qpieseries.h"
+#include "qabstractseries_p.h"
+
+QT_CHARTS_BEGIN_NAMESPACE
+class QLegendPrivate;
+
+class QPieSeriesPrivate : public QAbstractSeriesPrivate
+{
+    Q_OBJECT
+
+public:
+    QPieSeriesPrivate(QPieSeries *parent);
+    ~QPieSeriesPrivate();
+
+    void initializeDomain();
+    void initializeAxes();
+    void initializeGraphics(QGraphicsItem* parent);
+    void initializeAnimations(QtCharts::QChart::AnimationOptions options);
+    void initializeTheme(int index, ChartTheme* theme, bool forced = false);
+
+    QList<QLegendMarker *> createLegendMarkers(QLegend *legend);
+
+    QAbstractAxis::AxisType defaultAxisType(Qt::Orientation orientation) const;
+    QAbstractAxis* createDefaultAxis(Qt::Orientation orientation) const;
+
+    void updateDerivativeData();
+    void setSizes(qreal innerSize, qreal outerSize);
+
+    static QPieSeriesPrivate *fromSeries(QPieSeries *series);
+
+signals:
+    void calculatedDataChanged();
+    void pieSizeChanged();
+    void pieStartAngleChanged();
+    void pieEndAngleChanged();
+    void horizontalPositionChanged();
+    void verticalPositionChanged();
+
+public Q_SLOTS:
+    void sliceValueChanged();
+    void sliceClicked();
+    void sliceHovered(bool state);
+
+private:
+    QList<QPieSlice *> m_slices;
+    qreal m_pieRelativeHorPos;
+    qreal m_pieRelativeVerPos;
+    qreal m_pieRelativeSize;
+    qreal m_pieStartAngle;
+    qreal m_pieEndAngle;
+    qreal m_sum;
+    qreal m_holeRelativeSize;
+
+public:
+    friend class QLegendPrivate;
+    Q_DECLARE_PUBLIC(QPieSeries)
+};
+
+QT_CHARTS_END_NAMESPACE
+
+#endif // QPIESERIES_P_H