otLayoutLookupGetGlyphAlternates

Fetches alternates of a glyph from a given GSUB lookup index.

uint

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Parameters

face harfbuzz.face.Face: a face.
lookupIndex uint: index of the feature lookup to query.
glyph harfbuzz.types.Codepoint: a glyph id.
startOffset uint: starting offset.
alternateGlyphs harfbuzz.types.Codepoint[]: A glyphs buffer. Alternate glyphs associated with the glyph id.

Type: uint

Total number of alternates found in the specific lookup index for the given glyph id.