def _HB_cast_glyphs(cp, a, b, font, factor, runinfo, FSTYLE):
HBB = hb.buffer_create()
hb.buffer_add_codepoints(HBB, cp, a, b - a)
hb.buffer_set_direction(HBB, runinfo[1])
hb.buffer_set_script(HBB, runinfo[2])
hb.shape(font, HBB, FSTYLE['__ot_features__'])
return _compose_glyphs(_unpack_hb_buffer(HBB), factor, FSTYLE['shift'], FSTYLE['tracking'])
def _HB_cast_glyphs(cp, a, b, font, factor, runinfo, FSTYLE):
HBB = hb.buffer_create()
hb.buffer_add_codepoints(HBB, cp, a, b - a)
hb.buffer_set_direction(HBB, runinfo[1])
hb.buffer_set_script(HBB, runinfo[2])
hb.shape(font, HBB, FSTYLE['__ot_features__'])
return _compose_glyphs(_unpack_hb_buffer(HBB), factor, FSTYLE['shift'],
FSTYLE['tracking'])
def text(x,
y,
text,
font,
fontsize=None,
align=1,
left=None,
sub_minus=False,
upper=False,
grid=False):
if fontsize is None:
fontsize = font['fontsize']
xo = x
line = []
tracking = font['tracking']
if grid:
if sub_minus:
iter_l = ('–' if c == '-' else c for c in text)
else:
iter_l = text
for character in iter_l:
try:
line.append(
(font['__gridfont__'].character_index(character), x, y))
x += (font['__gridfont__'].advance_pixel_width(character) *
fontsize + tracking)
except TypeError:
line.append((-1, x, y))
else:
if upper:
text = text.upper()
if sub_minus:
text = text.replace('-', '–')
HBB = hb.buffer_create()
cp = list(map(ord, text))
hb.buffer_add_codepoints(HBB, cp, 0, len(cp))
hb.buffer_guess_segment_properties(HBB)
hb.shape(font['__hb_font__'], HBB, [])
factor = font['__factor__']
for N, P in zip(hb.buffer_get_glyph_infos(HBB),
hb.buffer_get_glyph_positions(HBB)):
line.append((N.codepoint, x + P.x_offset * factor, y))
x += P.x_advance * factor + tracking
if align == 0:
dx = (xo - x) / 2
line = [(g[0], g[1] + dx, g[2]) for g in line]
elif align == -1:
dx = xo - x
if left is not None:
dx = max(dx, left - xo)
line = [(g[0], g[1] + dx, g[2]) for g in line]
return font['font'], fontsize, line, x - xo - tracking
def __init__(self, cp, a, b, runinfo, fontinfo):
self._cp = cp
self._font = font = fontinfo[1]
self._compose = fontinfo[2], fontinfo[0]['shift'], fontinfo[0]['tracking']
self._features = fontinfo[0]['__ot_features__']
self._HBB = hb.buffer_create()
self._runinfo = runinfo
self._d = runinfo[0]
self._glyphs = list(self._reshape(cp, a, b))
if self._d:
self._logical_glyphs = list(reversed(self._glyphs))
else:
self._logical_glyphs = self._glyphs
self._present = [G[0] for G in self._logical_glyphs]
self._present.append(b)
self._RIGHT_CACHE = {a: (self._logical_glyphs, 0, 0)}
def __init__(self, cp, a, b, runinfo, fontinfo):
self._cp = cp
self._font = font = fontinfo[1]
self._compose = fontinfo[2], fontinfo[0]['shift'], fontinfo[0][
'tracking']
self._features = fontinfo[0]['__ot_features__']
self._HBB = hb.buffer_create()
self._runinfo = runinfo
self._d = runinfo[0]
self._glyphs = list(self._reshape(cp, a, b))
if self._d:
self._logical_glyphs = list(reversed(self._glyphs))
else:
self._logical_glyphs = self._glyphs
self._present = [G[0] for G in self._logical_glyphs]
self._present.append(b)
self._RIGHT_CACHE = {a: (self._logical_glyphs, 0, 0)}
def text(x, y, text, font, fontsize=None, align=1, left=None, sub_minus=False, upper=False, grid=False):
if fontsize is None:
fontsize = font["fontsize"]
xo = x
line = []
tracking = font["tracking"]
if grid:
if sub_minus:
iter_l = ("–" if c == "-" else c for c in text)
else:
iter_l = text
for character in iter_l:
try:
line.append((font["__gridfont__"].character_index(character), x, y))
x += font["__gridfont__"].advance_pixel_width(character) * fontsize + tracking
except TypeError:
line.append((-1, x, y))
else:
if upper:
text = text.upper()
if sub_minus:
text = text.replace("-", "–")
HBB = hb.buffer_create()
cp = list(map(ord, text))
hb.buffer_add_codepoints(HBB, cp, 0, len(cp))
hb.buffer_guess_segment_properties(HBB)
hb.shape(font["__hb_font__"], HBB, [])
factor = font["__factor__"]
for N, P in zip(hb.buffer_get_glyph_infos(HBB), hb.buffer_get_glyph_positions(HBB)):
line.append((N.codepoint, x + P.x_offset * factor, y))
x += P.x_advance * factor + tracking
if align == 0:
dx = (xo - x) / 2
line = [(g[0], g[1] + dx, g[2]) for g in line]
elif align == -1:
dx = xo - x
if left is not None:
dx = max(dx, left - xo)
line = [(g[0], g[1] + dx, g[2]) for g in line]
return font["font"], fontsize, line, x - xo - tracking