Function scale_style_metrics 

pub(crate) fn scale_style_metrics(
    unscaled_metrics: &UnscaledStyleMetrics,
    scale: Scale,
) -> ScaledStyleMetrics

Computes scaled metrics for the Latin writing system.

See https://gitlab.freedesktop.org/freetype/freetype/-/blob/57617782464411201ce7bbc93b086c1b4d7d84a5/src/autofit/aflatin.c#L1491