true if the feature is found, false otherwiseotLayoutLanguageFindFeature
fn
harfbuzz.types.Bool otLayoutLanguageFindFeature(harfbuzz.face.Face face, harfbuzz.types.Tag tableTag, uint scriptIndex, uint languageIndex, harfbuzz.types.Tag featureTag, out uint featureIndex)Fetches the index of a given feature tag in the specified face's GSUB table or GPOS table, underneath the specified script and language.
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 |
languageIndex | The index of the requested language tag |
featureTag | #hb_tag_t of the feature tag requested |
featureIndex | The index of the requested feature |