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.
an #hb_buffer_t.
true if the buffer has position array, false otherwise.
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.