true if the language tag is found, false otherwiseotLayoutScriptFindLanguage
fn
harfbuzz.types.Bool otLayoutScriptFindLanguage(harfbuzz.face.Face face, harfbuzz.types.Tag tableTag, uint scriptIndex, harfbuzz.types.Tag languageTag, out uint languageIndex)Fetches the index of a given language tag in the specified face's GSUB table or GPOS table, underneath the specified script tag.
Parameters
face | #hb_face_t to work upon |
tableTag | #HB_OT_TAG_GSUB or #HB_OT_TAG_GPOS |
scriptIndex | The index of the requested script tag |
languageTag | The #hb_tag_t of the requested language |
languageIndex | The index of the requested language |