#ifndef CUSTOMELLIPSE_H
#define CUSTOMELLIPSE_H
#include <qcustomplot.h>

class CustomEllipse : public QCPItemEllipse
{
public:
    CustomEllipse(QCustomPlot *parentPlot) : QCPItemEllipse(parentPlot) {}

    // 重写绘制函数
    virtual void draw(QCPPainter *painter) override
    {
        // 自定义绘制代码
        //painter->setPen(QPen(Qt::blue, 2)); // 例如，改变边框颜色和宽度
        //painter->setBrush(QBrush(Qt::green)); // 改变填充颜色
        QCPItemEllipse::draw(painter); // 调用基类的绘制函数
        return;

        QPointF p1 = topLeft->pixelPosition();
        //QPointF p2 = bottomRight->pixelPosition();
        QPointF p2 = QPointF(p1.rx()+5, p1.ry()+5);
        if (p1.toPoint() == p2.toPoint()) {
            return;
        }
        QRectF ellipseRect = QRectF(p1, p2).normalized();
        const int clipEnlarge = qCeil(mainPen().widthF());
        QRect clip = clipRect().adjusted(-clipEnlarge, -clipEnlarge, clipEnlarge, clipEnlarge);
        if (ellipseRect.intersects(clip)) { // only draw if bounding rect of ellipse is visible in cliprect
            painter->setPen(mainPen());
            painter->setBrush(mainBrush());
    #ifdef __EXCEPTIONS
            try { // drawEllipse sometimes throws exceptions if ellipse is too big
    #endif
                painter->drawEllipse(ellipseRect);
    #ifdef __EXCEPTIONS
            } catch (...) {
                qDebug() << Q_FUNC_INFO << "Item too large for memory, setting invisible";
                setVisible(false);
            }
    #endif
        }
    }

    // 可以添加更多自定义方法或属性
};

#endif // CUSTOMELLIPSE_H