Struct write_fonts::tables::variations::ItemVariationData

pub struct ItemVariationData {
    pub item_count: u16,
    pub word_delta_count: u16,
    pub region_indexes: Vec<u16>,
    pub delta_sets: Vec<u8>,
}

The ItemVariationData subtable

Fields

item_count: u16

The number of delta sets for distinct items.

word_delta_count: u16

A packed field: the high bit is a flag—see details below.

region_indexes: Vec<u16>

Array of indices into the variation region list for the regions referenced by this item variation data table.

delta_sets: Vec<u8>

Delta-set rows.

Implementations

impl ItemVariationData

pub fn new(
    item_count: u16,
    word_delta_count: u16,
    region_indexes: Vec<u16>,
    delta_sets: Vec<u8>
) -> Self

Construct a new ItemVariationData

Trait Implementations

impl Clone for ItemVariationData

fn clone(&self) -> ItemVariationData

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ItemVariationData

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

Formats the value using the given formatter.

impl Default for ItemVariationData

fn default() -> ItemVariationData

Returns the “default value” for a type.

impl<'a> FontRead<'a> for ItemVariationData

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

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

impl FontWrite for ItemVariationData

fn write_into(&self, writer: &mut TableWriter)

Write our data and information about offsets into this TableWriter.

impl Validate for ItemVariationData

fn validate_impl(&self, ctx: &mut ValidationCtx)

Validate this table.

fn validate(&self) -> Result<(), ValidationReport>

Ensure that this table is well-formed, reporting any errors.