arc3P arcBulge arcTan arcToBezier bezier4P bezierIntersectionWithLine bezierIsStraight bezierPointDistantFromPoint bezierPointLengthFromStart bezierTanget bsplinesToBeziers crossLineCircle crossTwoCircles cubicSplines cubicSplineToBezier ellipse90ToBezier ellipseToBezier fitBezier FitCubicCallback fitCubicSpline fitCurve fitCurve2 fitCurve3 fitCurve4 gaussJordan lengthOfBezier PtCallback quadBezierToCubic roundRectToBeziers SplineFlags splitBezier triEquations

bezierIntersectionWithLine() bool mgcurv::bezierIntersectionWithLine ( const Point2d *  pts, const Point2d &  a, const Point2d &  b, float &  tIntersect  ) static 计算曲线段与给定的直线段ab相交处的参数 函数调用图: 这是这个函数的调用关系图: