Trait piet_common::kurbo::ParamCurveDeriv[−]

pub trait ParamCurveDeriv {
    type DerivResult: ParamCurve;
    pub fn deriv(&self) -> Self::DerivResult;

    pub fn gauss_arclen(&self, coeffs: &[(f64, f64)]) -> f64 { ... }
}

A differentiable parametrized curve.

Associated Types

`type DerivResult: ParamCurve`

The parametric curve obtained by taking the derivative of this one.

Loading content...

Required methods

`pub fn deriv(&self) -> Self::DerivResult`

The derivative of the curve.

Note that the type of the return value is somewhat inaccurate, as the derivative of a curve (mapping of param to point) is a mapping of param to vector. We choose to accept this rather than have a more complex type scheme.

Loading content...