#ifndef CUSTOMHISTOGRAMBARS_H
#define CUSTOMHISTOGRAMBARS_H

#include "qcustomplot.h"

/**
 * @brief 柱状图上显示值
 */
class CustomHistogramBars : public QCPBars
{
    Q_OBJECT

public:
    explicit CustomHistogramBars(QCPAxis *keyAxis, QCPAxis *valueAxis);

    Qt::Alignment textAligment() const { return m_textAlignment; }
    double spacing() const { return m_spacing; }
    QFont font() const { return m_font; }

    void setTextAlignment(Qt::Alignment alignment);
    void setSpacing(double spacing);
    void setFont(const QFont &font);

protected:
    Qt::Alignment m_textAlignment;  // 文字对齐方式
    double m_spacing;               // 文字与柱状图的间距，这里按像素大小
    QFont m_font;                   // 文字使用的字体

    virtual void draw(QCPPainter *painter) Q_DECL_OVERRIDE;
};

#endif  // CUSTOMHISTOGRAMBARS_H