qt_demoe/control/smoothcurve/smoothcurve.h

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#ifndef SMOOTHCURVE_H
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#define SMOOTHCURVE_H
#include <QObject>
#include <QVector>
#include <QPointF>
#include <QPainterPath>
#ifdef quc
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class Q_DECL_EXPORT SmoothCurve
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#else
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class SmoothCurve
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#endif
{
public:
//创建平滑曲线路径
static QPainterPath createSmoothCurve(const QVector<QPointF> &points);
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static QPainterPath createSmoothCurve2(const QVector<QPointF> &points);
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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