text in vertical direction.
GlyphPosition.yAdvance
harfbuzz.types.Position yAdvance() @propertyGet yAdvance field.
Returns
how much the line advances after drawing this glyph when setting
void yAdvance(harfbuzz.types.Position propval) @propertySet yAdvance field.
Parameters
propval | how much the line advances after drawing this glyph when setting text in vertical direction. |