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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt 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 POLARCHARTDATETIMEAXISANGULAR_P_H
++ #define POLARCHARTDATETIMEAXISANGULAR_P_H
++
++ #include <private/polarchartaxisangular_p.h>
++ #include <QtCharts/private/qchartglobal_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QDateTimeAxis;
++
++ class Q_CHARTS_EXPORT PolarChartDateTimeAxisAngular : public PolarChartAxisAngular
++ {
++ Q_OBJECT
++ public:
++ PolarChartDateTimeAxisAngular(QDateTimeAxis *axis, QGraphicsItem *item);
++ ~PolarChartDateTimeAxisAngular();
++
++ QList<qreal> calculateLayout() const override;
++ void createAxisLabels(const QList<qreal> &layout) override;
++
++ private Q_SLOTS:
++ void handleTickCountChanged(int tick);
++ void handleFormatChanged(const QString &format);
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // POLARCHARTDATETIMEAXISANGULAR_P_H