Enum HeaderVariant 

pub enum HeaderVariant {
    Microsoft,
    Apple,
}

Which kern header layout the input table uses. Exposed so callers can tell apart Microsoft-format fonts (whose Format-0 subtables this crate decodes) from Apple-format fonts (whose subtable bodies are currently surfaced as “no kerning pairs available” rather than rejected at parse time).

Variants

Microsoft

Microsoft / OpenType layout: u16 version (= 0), u16 nTables, then nTables subtables. Per-subtable header is u16 version, u16 length, u16 coverage. This crate decodes Format-0 horizontal kerning subtables.

Apple

Apple layout: u32 version (= 0x00010000), u32 nTables, then nTables subtables with a different per-subtable header layout. The subtable bodies are not decoded by this crate; callers that need Apple-kern data should hold the fixed Apple kerx clean-room reference and submit a follow-up.

Trait Implementations

impl Clone for HeaderVariant

fn clone(&self) -> HeaderVariant

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for HeaderVariant

impl Debug for HeaderVariant

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for HeaderVariant

impl PartialEq for HeaderVariant

fn eq(&self, other: &HeaderVariant) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for HeaderVariant