/// <summary>
/// Constructor.
/// </summary>
/// <param name="anchor">Anchor points of curve.</param>
public QuadraticBezierCurve(QuadraticBezierAnchor anchor)
{
this.anchor = anchor;
}
/// <summary>
/// Constructor.
/// </summary>
public QuadraticBezierCurve()
{
anchor = new QuadraticBezierAnchor();
}