28 lines
704 B
C
28 lines
704 B
C
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#ifndef SMOOTHCURVE_H
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#define SMOOTHCURVE_H
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#include <QObject>
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#include <QVector>
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#include <QPointF>
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#include <QPainterPath>
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#ifdef quc
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class Q_DECL_EXPORT SmoothCurve : public QObject
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#else
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class SmoothCurve : public QObject
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#endif
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{
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public:
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//创建平滑曲线路径
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static QPainterPath createSmoothCurve(const QVector<QPointF> &points);
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private:
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static void calculateFirstControlPoints(double *&result, const double *rhs, int n);
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static void calculateControlPoints(const QVector<QPointF> &datas,
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QVector<QPointF> *firstControlPoints,
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QVector<QPointF> *secondControlPoints);
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};
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#endif // SMOOTHCURVE_H
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