qt-everywhere-src-5.15.1/qtdeclarative/examples/qml/tutorials/extending-qml/chapter5-listproperties/pieslice.h

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#ifndef PIESLICE_H
#define PIESLICE_H

#include <QtQuick/QQuickPaintedItem>
#include <QColor>

//![0]
class PieSlice : public QQuickPaintedItem
{
    Q_OBJECT
    Q_PROPERTY(QColor color READ color WRITE setColor)
    Q_PROPERTY(int fromAngle READ fromAngle WRITE setFromAngle)
    Q_PROPERTY(int angleSpan READ angleSpan WRITE setAngleSpan)
    QML_ELEMENT
//![0]

public:
    PieSlice(QQuickItem *parent = 0);

    QColor color() const;
    void setColor(const QColor &color);

    int fromAngle() const;
    void setFromAngle(int angle);

    int angleSpan() const;
    void setAngleSpan(int span);

    void paint(QPainter *painter);

private:
    QColor m_color;
    int m_fromAngle;
    int m_angleSpan;
};

#endif