Struct ReverseChainSingleSubstFormat2 

pub struct ReverseChainSingleSubstFormat2 {
    pub coverage: OffsetMarker<CoverageTable, WIDTH_32>,
    pub backtrack_coverages: Vec<OffsetMarker<CoverageTable, WIDTH_24>>,
    pub lookahead_coverages: Vec<OffsetMarker<CoverageTable, WIDTH_24>>,
    pub substitute_glyph_ids: Vec<GlyphId24>,
}

Available on crate feature tables only.

ReverseChainSingleSubstFormat2 (ISO/IEC 14496-22:2026).

Fields

coverage: OffsetMarker<CoverageTable, WIDTH_32>

Offset to Coverage table, from beginning of substitution subtable.

backtrack_coverages: Vec<OffsetMarker<CoverageTable, WIDTH_24>>

Array of offsets to coverage tables in backtrack sequence, in glyph sequence order.

lookahead_coverages: Vec<OffsetMarker<CoverageTable, WIDTH_24>>

Array of offsets to coverage tables in lookahead sequence, in glyph sequence order.

substitute_glyph_ids: Vec<GlyphId24>

Array of substitute glyph IDs — ordered by Coverage index.

Implementations

impl ReverseChainSingleSubstFormat2

pub fn new( coverage: CoverageTable, backtrack_coverages: Vec<CoverageTable>, lookahead_coverages: Vec<CoverageTable>, substitute_glyph_ids: Vec<GlyphId24>, ) -> Self

Construct a new ReverseChainSingleSubstFormat2

Trait Implementations

impl Clone for ReverseChainSingleSubstFormat2

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReverseChainSingleSubstFormat2

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

Formats the value using the given formatter.

impl Default for ReverseChainSingleSubstFormat2

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ReverseChainSingleSubstFormat2

Available on crate feature serde only.

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ReverseChainSingleSubstFormat2

impl<'a> FontRead<'a> for ReverseChainSingleSubstFormat2

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

Read an item, performing validation.

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

where Self: FontRead<'a, Args = ()>,

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

impl FontWrite for ReverseChainSingleSubstFormat2

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

Write our data and information about offsets into this TableWriter.

fn table_type(&self) -> TableType

The type of this table.

impl From<ReverseChainSingleSubstFormat2> for ReverseChainSingleSubst

fn from(src: ReverseChainSingleSubstFormat2) -> ReverseChainSingleSubst

Converts to this type from the input type.

impl<'a> FromObjRef<ReverseChainSingleSubstFormat2<'a>> for ReverseChainSingleSubstFormat2

fn from_obj_ref( obj: &ReverseChainSingleSubstFormat2<'a>, _: FontData<'_>, ) -> Self

Convert from to an instance of Self, using the provided data to resolve offsets.

impl<'a> FromTableRef<ReverseChainSingleSubstFormat2<'a>> for ReverseChainSingleSubstFormat2

fn from_table_ref(from: &T) -> Self

impl Hash for ReverseChainSingleSubstFormat2

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl LookupSubtable for ReverseChainSingleSubstFormat2

const TYPE: LookupType

The lookup type of this layout subtable.

impl Ord for ReverseChainSingleSubstFormat2

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for ReverseChainSingleSubstFormat2

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl PartialOrd for ReverseChainSingleSubstFormat2

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl ReadArgs for ReverseChainSingleSubstFormat2

type Args = ()

impl Serialize for ReverseChainSingleSubstFormat2

Available on crate feature serde only.

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ReverseChainSingleSubstFormat2

impl Validate for ReverseChainSingleSubstFormat2

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.