Struct ttf_parser::apple_layout::StateTable

pub struct StateTable<'a> {
    number_of_classes: u16,
    first_glyph: GlyphId,
    class_table: &'a [u8],
    state_array_offset: u16,
    state_array: &'a [u8],
    entry_table: &'a [u8],
    actions: &'a [u8],
}

A State Table.

Also called STHeader.

Currently used by kern table.

Fields

number_of_classes: u16

first_glyph: GlyphId

class_table: &'a [u8]

state_array_offset: u16

state_array: &'a [u8]

entry_table: &'a [u8]

actions: &'a [u8]

Implementations

impl<'a> StateTable<'a>

pub(crate) fn parse(data: &'a [u8]) -> Option<Self>

pub fn class(&self, glyph_id: GlyphId) -> Option<u8>

Returns a glyph class.

pub fn entry(&self, state: u16, class: u8) -> Option<StateEntry>

Returns a class entry.

pub fn kerning(&self, offset: ValueOffset) -> Option<i16>

Returns kerning at offset.

pub fn new_state(&self, state: u16) -> u16

Produces a new state.

Trait Implementations

impl<'a> Clone for StateTable<'a>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for StateTable<'_>

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

Formats the value using the given formatter.