otLayoutLookupGetOpticalBound

Fetches the optical bound of a glyph positioned at the margin of text. The direction identifies which edge of the glyph to query.

harfbuzz.types.Position

otLayoutLookupGetOpticalBound

(

harfbuzz.font.Font font

,

uint lookupIndex

,

harfbuzz.types.Direction direction

,

harfbuzz.types.Codepoint glyph

)

Parameters

font harfbuzz.font.Font: a font.
lookupIndex uint: index of the feature lookup to query.
direction harfbuzz.types.Direction: edge of the glyph to query.
glyph harfbuzz.types.Codepoint: a glyph id.

Return Value

Type: harfbuzz.types.Position

Adjustment value. Negative values mean the glyph will stick out of the margin.

harfbuzz global functions