# Python builds (the first item in the array is BOM, so we skip it):
elif sys.maxunicode == 0x10FFFF:
hb.buffer_add_utf32 (buf, array.array('I', text.encode('utf-32'))[1:], 0, -1)
else:
hb.buffer_add_utf16 (buf, array.array('H', text.encode('utf-16'))[1:], 0, -1)
hb.buffer_guess_segment_properties (buf)
if ((hb.buffer_get_script(buf) == hb.script_t.MONGOLIAN) or (hb.buffer_get_script(buf) == hb.script_t.PHAGS_PA)):
wantRotate = True
if (hb.buffer_get_script(buf) == hb.script_t.HAN):
hb.buffer_set_direction(buf, hb.direction_t.TTB)
wantTTB = True
hb.shape (font, buf, [])
font_extents = hb.font_get_extents_for_direction(font, hb.buffer_get_direction(buf))
font_height = font_extents.ascender - font_extents.descender + font_extents.line_gap
infos = hb.buffer_get_glyph_infos (buf)
positions = hb.buffer_get_glyph_positions (buf)
x = 0
y = 0
glyph_extents = list()
min_ix = upem
max_ix = -upem
min_iy = upem
max_iy = -upem
for info,pos in zip(infos, positions):
gid = info.codepoint
