Enum Subtable

pub enum Subtable<'a> {
    Ot(TableRef<'a, OtSubtableMarker>),
    Aat(TableRef<'a, AatSubtableMarker>),
}

A subtable in the kern table.

Variants

Ot(TableRef<'a, OtSubtableMarker>)

Aat(TableRef<'a, AatSubtableMarker>)

Implementations

impl<'a> Subtable<'a>

pub fn is_vertical(&self) -> bool

True if the table has vertical kerning values.

pub fn is_horizontal(&self) -> bool

True if the table has horizontal kerning values.

pub fn is_cross_stream(&self) -> bool

True if the table has cross-stream kerning values.

If text is normally written horizontally, adjustments will be vertical. If adjustment values are positive, the text will be moved up. If they are negative, the text will be moved down. If text is normally written vertically, adjustments will be horizontal. If adjustment values are positive, the text will be moved to the right. If they are negative, the text will be moved to the left.

pub fn is_variable(&self) -> bool

True if the table has variation kerning values.

pub fn is_state_machine(&self) -> bool

True if the table is represented by a state machine.

pub fn kind(&self) -> Result<SubtableKind<'a>, ReadError>

Returns an enum representing the actual subtable data.

Trait Implementations

impl<'a> Clone for Subtable<'a>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> FontReadWithArgs<'a> for Subtable<'a>

fn read_with_args( data: FontData<'a>, args: &<Subtable<'a> as ReadArgs>::Args, ) -> Result<Subtable<'a>, ReadError>

read an item, using the provided args.

impl ReadArgs for Subtable<'_>

type Args = bool