skrifa::outline::glyf::deltas

Function interpolate_deltas

Source 
fn interpolate_deltas<C, D>(
    points: &[Point<C>],
    flags: &[PointFlags],
    contours: &[u16],
    out_points: &mut [Point<D>],
) -> Option<()>
where
    C: PointCoord,
    D: PointCoord + From<C>,
Expand description

Interpolate points without delta values, similar to the IUP hinting instruction.

Modeled after the FreeType implementation: https://github.com/freetype/freetype/blob/bbfcd79eacb4985d4b68783565f4b494aa64516b/src/truetype/ttgxvar.c#L3881