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calculatePerimeter(_:for:)

Calculates the perimeter of a closed contour.

Declaration

class func calculatePerimeter(_ perimeter: UnsafeMutablePointer<Double>, for contour: VNContour) throws

Parameters

  • perimeter:

    The output parameter to populate with the calculated contour perimeter.

  • contour:

    The contour object for which to calculate the perimeter.

See Also

Calculating Area and Perimeter