Enum read_fonts::layout::gpos::ExtensionSubtable

pub enum ExtensionSubtable<'a> {
    Single(ExtensionPosFormat1<'a, SinglePos<'a>>),
    Pair(ExtensionPosFormat1<'a, PairPos<'a>>),
    Cursive(ExtensionPosFormat1<'a, CursivePosFormat1<'a>>),
    MarkToBase(ExtensionPosFormat1<'a, MarkBasePosFormat1<'a>>),
    MarkToLig(ExtensionPosFormat1<'a, MarkLigPosFormat1<'a>>),
    MarkToMark(ExtensionPosFormat1<'a, MarkMarkPosFormat1<'a>>),
    Contextual(ExtensionPosFormat1<'a, PositionSequenceContext<'a>>),
    ChainContextual(ExtensionPosFormat1<'a, PositionChainContext<'a>>),
}

A GPOS Extension Positioning subtable

Variants

Single(ExtensionPosFormat1<'a, SinglePos<'a>>)

Pair(ExtensionPosFormat1<'a, PairPos<'a>>)

Cursive(ExtensionPosFormat1<'a, CursivePosFormat1<'a>>)

MarkToBase(ExtensionPosFormat1<'a, MarkBasePosFormat1<'a>>)

MarkToLig(ExtensionPosFormat1<'a, MarkLigPosFormat1<'a>>)

MarkToMark(ExtensionPosFormat1<'a, MarkMarkPosFormat1<'a>>)

Contextual(ExtensionPosFormat1<'a, PositionSequenceContext<'a>>)

ChainContextual(ExtensionPosFormat1<'a, PositionChainContext<'a>>)

Trait Implementations

impl<'a> FontRead<'a> for ExtensionSubtable<'a>

fn read(bytes: FontData<'a>) -> Result<Self, ReadError>

Read an instace of Self from the provided data, performing validation.

impl<'a> SomeTable<'a> for ExtensionSubtable<'a>

fn get_field(&self, idx: usize) -> Option<Field<'a>>

Access this table’s fields, in declaration order.

fn type_name(&self) -> &str

The name of this table