Enum LayoutTable 

pub enum LayoutTable<'a> {
    Gsub(Gsub<'a>),
    Gpos(Gpos<'a>),
}

Variants

Gsub(Gsub<'a>)

Gpos(Gpos<'a>)

Implementations

impl<'a> LayoutTable<'a>

fn script_list(&self) -> Option<ScriptList<'a>>

fn feature_list(&self) -> Option<FeatureList<'a>>

fn feature_variations(&self) -> Option<FeatureVariations<'a>>

fn script(&self, index: u16) -> Option<Script<'a>>

fn langsys_index(&self, script_index: u16, tag: hb_tag_t) -> Option<u16>

fn langsys( &self, script_index: u16, langsys_index: Option<u16>, ) -> Option<LangSys<'a>>

pub(crate) fn feature(&self, index: u16) -> Option<Feature<'a>>

fn feature_tag(&self, index: u16) -> Option<hb_tag_t>

pub(crate) fn feature_variation_index(&self, coords: &[F2Dot14]) -> Option<u32>

pub(crate) fn feature_substitution( &self, variation_index: u32, feature_index: u16, ) -> Option<Feature<'a>>

pub(crate) fn feature_index(&self, tag: hb_tag_t) -> Option<u16>

pub(crate) fn lookup_count(&self) -> u16

pub(crate) fn select_script( &self, script_tags: &[hb_tag_t], ) -> Option<(bool, u16, hb_tag_t)>

Returns true + index and tag of the first found script tag in the given GSUB or GPOS table or false + index and tag if falling back to a default script.

pub(crate) fn select_script_language( &self, script_index: u16, lang_tags: &[hb_tag_t], ) -> Option<u16>

Returns the index of the first found language tag in the given GSUB or GPOS table, underneath the specified script index.

pub(crate) fn get_required_language_feature( &self, script_index: u16, lang_index: Option<u16>, ) -> Option<(u16, hb_tag_t)>

Returns the index and tag of a required feature in the given GSUB or GPOS table, underneath the specified script and language.

pub(crate) fn find_language_feature( &self, script_index: u16, lang_index: Option<u16>, feature_tag: hb_tag_t, ) -> Option<u16>

Returns the index of a given feature tag in the given GSUB or GPOS table, underneath the specified script and language.