Enum ttf_parser::gsub::SubstitutionSubtable

pub enum SubstitutionSubtable<'a> {
    Single(SingleSubstitution<'a>),
    Multiple(MultipleSubstitution<'a>),
    Alternate(AlternateSubstitution<'a>),
    Ligature(LigatureSubstitution<'a>),
    Context(ContextLookup<'a>),
    ChainContext(ChainedContextLookup<'a>),
    ReverseChainSingle(ReverseChainSingleSubstitution<'a>),
}

A glyph substitution lookup subtable enumeration.

Variants

Single(SingleSubstitution<'a>)

Multiple(MultipleSubstitution<'a>)

Alternate(AlternateSubstitution<'a>)

Ligature(LigatureSubstitution<'a>)

Context(ContextLookup<'a>)

ChainContext(ChainedContextLookup<'a>)

ReverseChainSingle(ReverseChainSingleSubstitution<'a>)

Implementations

impl<'a> SubstitutionSubtable<'a>

pub fn coverage(&self) -> Coverage<'a>

Returns the subtable coverage.

pub fn is_reverse(&self) -> bool

Checks that the current subtable is Reverse Chaining Contextual Single.

Trait Implementations

impl<'a> Clone for SubstitutionSubtable<'a>

fn clone(&self) -> SubstitutionSubtable<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for SubstitutionSubtable<'a>

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

Formats the value using the given formatter.

impl<'a> LookupSubtable<'a> for SubstitutionSubtable<'a>

fn parse(data: &'a [u8], kind: u16) -> Option<Self>

Parses raw data.

impl<'a> Copy for SubstitutionSubtable<'a>