Cubics

Cubic bezier curves.

		type Cubic
	Cubic bezier curve. Extends Line with two control points.

		type Cubic_Access
	Access type for cubic bezier curves.

		function Create
	Create a cubic bezier curve.
	Param  Type  Description in To  Vector  End point of the curve. in Control_A  Vector  First control point of curve. in Control_B  Vector  Second control point of curve. return  Line_Access  The newly created curve.

		function Length
	Calculate the arc length of this curve. Results are cached for reuse. So make sure the starting point always remains the same between calls.
	Param  Type  Description in Start  Vector  Starting point of the curve. access This  Cubic  Get this curve's arc length. return  Real  The length of the arc.

		procedure Scale
	Scale a curve by a given factor.
	Param  Type  Description access This  Cubic  Scale this curve. in Factor  Real  Scaling factor.

		procedure Translate
	Translate a curve by a given offset.
	Param  Type  Description access This  Cubic  Translate this curve. in Offset  Vector  Translating offset.

		function Way_Point
	Get one point from the cubic bezier curve.
	Param  Type  Description in Start  Vector  Starting point of the curve. access This  Cubic  Definition of the curve. in Part  Real  Parametrization variable from 0 to 1. return  Vector  The point on the curve.

		function To_SVG
	Format a cubic bezier curve for Scalable Vector Graphics output.
	Param  Type  Description access This  Cubic  Format this curve. in Tolerance  Real  Tolerance level. return  String  The resulting SVG code.

		function To_Postscript
	Format a cubic bezier curve for postscript output.
	Param  Type  Description access This  Cubic  Format this curve. in Tolerance  Real  Tolerance level. return  String  The resulting Postscript code.