src/charts/ChartDataLine.h


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#ifndef CHART_DATA_SET_H
#define CHART_DATA_SET_H

#include <QtCore>
#include <QtWidgets>

#include "DataPoint.h"

class ChartScene;

class ChartDataLine
{
public:
    ChartDataLine(ChartScene* scene);
    void paint();

private:
    QPointF getDataSetOrigin() const;
    QPainterPath createLinePath();
    QPointF getDataPos(int index, int yValue);
    void addLinePath(const QPainterPath& path);
    void addLineSegment(QPainterPath& path, int i);
    void addAreaPath(const QPainterPath& linePath);
    QString createToolTipText(const DataPoint& dataPoint) const;

private:
    static const int MarkerRadius = 2;
    static const QColor MarkerColor;
    static const QColor FillColor;

private:
    ChartScene* scene;
    QPointF origin;
    qreal xSpacing;
};

#endif