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. |