true if the buffer has position array, false otherwise.bufferHasPositions
fn
harfbuzz.types.Bool bufferHasPositions(harfbuzz.buffer.Buffer buffer)Returns whether buffer has glyph position data. A buffer gains position data when harfbuzz.global.bufferGetGlyphPositions is called on it, and cleared of position data when harfbuzz.global.bufferClearContents is called.
Parameters
buffer | an #hb_buffer_t. |