def project_b(self, BLOCK):
if BLOCK.implicit_ is None:
P = BLOCK["class"]
else:
P = BLOCK["class"] + BLOCK.implicit_
H = hash(frozenset(P.items()))
if BLOCK.stylehash is not None:
H += 13 * BLOCK.stylehash
try:
return self.block_projections[H]
except KeyError:
# iterate through stack
projection = _Layer(self._block_default)
for B in chain((b for b in self.content if b["class"] <= P), (BLOCK,)):
projection.overlay(B)
projection["__runinfo__"] = generate_runinfo(projection["language"])
self.block_projections[H] = projection
return projection
def project_b(self, BLOCK):
if BLOCK.implicit_ is None:
P = BLOCK['class']
else:
P = BLOCK['class'] + BLOCK.implicit_
H = hash(frozenset(P.items()))
if BLOCK.stylehash is not None:
H += 13 * BLOCK.stylehash
try:
return self.block_projections[H]
except KeyError:
# iterate through stack
projection = _Layer(self._block_default)
for B in chain((b for b in self.content if b['class'] <= P),
(BLOCK, )):
projection.overlay(B)
projection['__runinfo__'] = generate_runinfo(
projection['language'])
self.block_projections[H] = projection
return projection
def bidir_levels(runinfo, text, BLOCK, F=None):
if F is None:
F = Tagcounter()
else:
F = F.copy()
i = 0
j = i
SS = []
CHAR_STYLES = []
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(BLOCK, F, CHAR_STYLES)
runinfo_stack = [runinfo]
l = runinfo[0]
RUNS = [(l, False, i, None, runinfo, o_fontinfo)]
SP = _S_SPACES
EMSP = _EMOJI_SPACES
def sorting(k):
if type(k) is str:
if k in EMSP:
if k in SP:
return 0
else:
return 2
else:
return 1
else:
return -1
emojijoin = False
for K, G in groupby(text, key=sorting):
if K >= 0:
string = ''.join(G)
j += len(string)
if K == 1:
if emojijoin and string == '\u200D':
RUNS.append((l, True, i, j, runinfo, t_fontinfo))
emojijoin += 1
else:
emojijoin = False
if t_fontinfo[0]['capitals']:
string = string.upper()
if l % 2:
choose_runinfo = runinfo, numeric_runinfo
RUNS.extend([
l + flip, True, i + p, i +
q, choose_runinfo[flip], t_fontinfo
] for flip, (p, q) in _raise_digits(string) if q - p)
else:
RUNS.append([l, True, i, j, runinfo, t_fontinfo])
elif K == 2:
if emojijoin > 1:
del RUNS[-(emojijoin - 1):]
RUNS[-1][3] = j
else:
RUNS.append([l, 2, i, j, runinfo, e_fontinfo])
emojijoin = True
else:
emojijoin = False
RUNS.extend((l, False, i + ii, sp, runinfo, o_fontinfo)
for ii, sp in enumerate(string))
i = j
SS.append(string)
else:
emojijoin = False
for v in G:
if type(v) is Reverse:
if v['language'] is None:
if len(runinfo_stack) > 1:
old_runinfo = runinfo_stack.pop()
runinfo = runinfo_stack[-1]
if old_runinfo[0] != runinfo[0]:
l -= 1
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
else:
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
runinfo = generate_runinfo(v['language'])
if runinfo[0] != runinfo_stack[-1][0]:
l += 1
runinfo_stack.append(runinfo)
SS.append('\u00A0')
elif v is not None:
if isinstance(v, Fontpost):
F = o_fontinfo[1].copy()
if v.countersign:
F += v['class']
if v.stylehash is not None:
CHAR_STYLES.append(v)
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(
BLOCK, F, CHAR_STYLES)
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
else:
F -= v['class']
if v['pop'] > 0:
del CHAR_STYLES[-v['pop']:]
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(
BLOCK, F, CHAR_STYLES)
SS.append('\u00AD')
else:
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
SS.append('[')
j += 1
i = j
return ''.join(SS), RUNS
e_font = FSTYLE['__hb_emoji__']
e_factor = FSTYLE['__factor_emoji__']
emojifont = FSTYLE['__emoji__']
fontsize = FSTYLE['fontsize']
def get_emoji(glyph_index):
return emojifont.generate_paint_function(glyph_index, fontsize,
e_factor)
# nontextual | text | emoji
return (FSTYLE, F), (FSTYLE, t_font, t_factor, None), (FSTYLE, e_font,
e_factor, get_emoji)
numeric_runinfo = generate_runinfo('numeric')
def bidir_levels(runinfo, text, BLOCK, F=None):
if F is None:
F = Tagcounter()
else:
F = F.copy()
i = 0
j = i
SS = []
CHAR_STYLES = []
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(BLOCK, F, CHAR_STYLES)
runinfo_stack = [runinfo]
l = runinfo[0]
def bidir_levels(runinfo, text, BLOCK, F=None):
if F is None:
F = Tagcounter()
else:
F = F.copy()
i = 0
j = i
SS = []
CHAR_STYLES = []
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(BLOCK, F, CHAR_STYLES)
runinfo_stack = [runinfo]
l = runinfo[0]
RUNS = [(l, False, i, None, runinfo, o_fontinfo)]
SP = _S_SPACES
EMSP = _EMOJI_SPACES
def sorting(k):
if type(k) is str:
if k in EMSP:
if k in SP:
return 0
else:
return 2
else:
return 1
else:
return -1
emojijoin = False
for K, G in groupby(text, key=sorting):
if K >= 0:
string = ''.join(G)
j += len(string)
if K == 1:
if emojijoin and string == '\u200D':
RUNS.append((l, True, i, j, runinfo, t_fontinfo))
emojijoin += 1
else:
emojijoin = False
if t_fontinfo[0]['capitals']:
string = string.upper()
if l % 2:
choose_runinfo = runinfo, numeric_runinfo
RUNS.extend([l + flip, True, i + p, i + q, choose_runinfo[flip], t_fontinfo] for flip, (p, q) in _raise_digits(string) if q - p)
else:
RUNS.append([l, True, i, j, runinfo, t_fontinfo])
elif K == 2:
if emojijoin > 1:
del RUNS[-(emojijoin - 1):]
RUNS[-1][3] = j
else:
RUNS.append([l, 2, i, j, runinfo, e_fontinfo])
emojijoin = True
else:
emojijoin = False
RUNS.extend((l, False, i + ii, sp, runinfo, o_fontinfo) for ii, sp in enumerate(string))
i = j
SS.append(string)
else:
emojijoin = False
for v in G:
if type(v) is Reverse:
if v['language'] is None:
if len(runinfo_stack) > 1:
old_runinfo = runinfo_stack.pop()
runinfo = runinfo_stack[-1]
if old_runinfo[0] != runinfo[0]:
l -= 1
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
else:
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
runinfo = generate_runinfo(v['language'])
if runinfo[0] != runinfo_stack[-1][0]:
l += 1
runinfo_stack.append(runinfo)
SS.append('\u00A0')
elif v is not None:
if isinstance(v, Fontpost):
F = o_fontinfo[1].copy()
if v.countersign:
F += v['class']
if v.stylehash is not None:
CHAR_STYLES.append(v)
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(BLOCK, F, CHAR_STYLES)
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
else:
F -= v['class']
if v['pop'] > 0:
del CHAR_STYLES[-v['pop']:]
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(BLOCK, F, CHAR_STYLES)
SS.append('\u00AD')
else:
RUNS.append((l, False, i, v, runinfo, o_fontinfo))
SS.append('[')
j += 1
i = j
return ''.join(SS), RUNS
FSTYLE = BLOCK.KT.BSTYLES.project_t(BLOCK, F, CHAR_STYLES)
t_font = FSTYLE['__hb_font__']
t_factor = FSTYLE['__factor__']
e_font = FSTYLE['__hb_emoji__']
e_factor = FSTYLE['__factor_emoji__']
emojifont = FSTYLE['__emoji__']
fontsize = FSTYLE['fontsize']
def get_emoji(glyph_index):
return emojifont.generate_paint_function(glyph_index, fontsize, e_factor)
# nontextual | text | emoji
return (FSTYLE, F), (FSTYLE, t_font, t_factor, None), (FSTYLE, e_font, e_factor, get_emoji)
numeric_runinfo = generate_runinfo('numeric')
def bidir_levels(runinfo, text, BLOCK, F=None):
if F is None:
F = Tagcounter()
else:
F = F.copy()
i = 0
j = i
SS = []
CHAR_STYLES = []
o_fontinfo, t_fontinfo, e_fontinfo = _get_fontinfo(BLOCK, F, CHAR_STYLES)
runinfo_stack = [runinfo]
l = runinfo[0]
RUNS = [(l, False, i, None, runinfo, o_fontinfo)]
