KDChartRadarDiagram.h

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/****************************************************************************
**
** This file is part of the KD Chart library.
**
** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: MIT
**
****************************************************************************/
 
#ifndef KDCHARTRADARDIAGRAM_H
#define KDCHARTRADARDIAGRAM_H
 
#include "KDChartPolarDiagram.h"
#include "KDChartPosition.h"
#include "KDChartRadarCoordinatePlane.h"
 
QT_BEGIN_NAMESPACE
class QPolygonF;
QT_END_NAMESPACE
 
namespace KDChart {
 
class KDCHART_EXPORT RadarDiagram : public AbstractPolarDiagram
{
    Q_OBJECT
 
    Q_DISABLE_COPY(RadarDiagram)
    KDCHART_DECLARE_DERIVED_DIAGRAM(RadarDiagram, RadarCoordinatePlane)
 
public:
    explicit RadarDiagram(
        QWidget *parent = nullptr, RadarCoordinatePlane *plane = nullptr);
    ~RadarDiagram() override;
 
    virtual void paint(PaintContext *paintContext,
                       bool calculateListAndReturnScale,
                       qreal &newZoomX, qreal &newZoomY);
    void resize(const QSizeF &area) override;
 
    qreal valueTotals() const override;
    qreal numberOfValuesPerDataset() const override;
    qreal numberOfGridRings() const override;
 
    void setReverseData(bool val);
    bool reverseData();
 
    virtual RadarDiagram *clone() const;
 
    void setCloseDatasets(bool closeDatasets);
    bool closeDatasets() const;
 
    qreal fillAlpha() const;
    void setFillAlpha(qreal alphaF);
 
protected:
    const QPair<QPointF, QPointF> calculateDataBoundaries() const override;
    void paintEvent(QPaintEvent *) override;
    void resizeEvent(QResizeEvent *) override;
    void paint(PaintContext *paintContext) override;
 
}; // End of class RadarDiagram
}
 
#endif // KDCHARTRADARDIAGRAM_H