qt_demoe/smoothcurve/smoothcurve.h

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2021-03-08 01:26:04 +00:00
#ifndef SMOOTHCURVE_H
#define SMOOTHCURVE_H
#include <QObject>
#include <QVector>
#include <QPointF>
#include <QPainterPath>
#ifdef quc
class Q_DECL_EXPORT SmoothCurve : public QObject
#else
class SmoothCurve : public QObject
#endif
{
public:
//创建平滑曲线路径
static QPainterPath createSmoothCurve(const QVector<QPointF> &points);
private:
static void calculateFirstControlPoints(double *&result, const double *rhs, int n);
static void calculateControlPoints(const QVector<QPointF> &datas,
QVector<QPointF> *firstControlPoints,
QVector<QPointF> *secondControlPoints);
};
#endif // SMOOTHCURVE_H