def test_ttf_reading():
for arg in sys.argv[1:]:
with open(arg, 'rb') as f:
raw = f.read()
print(os.path.basename(arg))
get_font_characteristics(raw)
print()
def fonts_for_family(self, family, normalize=True):
family = type("")(family)
ans = {}
for weight, is_italic in product((self.w.FW_NORMAL, self.w.FW_BOLD), (False, True)):
try:
data = self.w.font_data(family, is_italic, weight)
except Exception as e:
prints(
"Failed to get font data for font: %s [%s] with error: %s"
% (family, self.get_normalized_name(is_italic, weight), e)
)
continue
ok, sig = is_truetype_font(data)
if not ok:
prints("Not a supported font, sfnt_version: %r" % sig)
continue
ext = "otf" if sig == b"OTTO" else "ttf"
try:
weight, is_italic, is_bold, is_regular = get_font_characteristics(data)[:4]
except Exception as e:
prints(
"Failed to get font characteristic for font: %s [%s]"
" with error: %s" % (family, self.get_normalized_name(is_italic, weight), e)
)
continue
try:
family_name, sub_family_name, full_name = get_font_names(data)
except:
pass
if normalize:
ft = {(True, True): "bi", (True, False): "italic", (False, True): "bold", (False, False): "normal"}[
(is_italic, is_bold)
]
else:
ft = (1 if is_italic else 0, weight // 10)
if not (family_name or full_name):
# prints('Font %s [%s] has no names'%(family,
# self.get_normalized_name(is_italic, weight)))
family_name = family
name = full_name or family + " " + (sub_family_name or "")
try:
name.encode("ascii")
except ValueError:
try:
sub_family_name.encode("ascii")
subf = sub_family_name
except:
subf = ""
name = family + ((" " + subf) if subf else "")
ans[ft] = (ext, name, data)
return ans
def read_characteristics(self, f):
if b'os/2' not in self.tables:
raise UnsupportedFont('This font has no OS/2 table')
toff, tlen = self.tables[b'os/2'][:2]
f.seek(toff)
table = f.read(tlen)
if len(table) != tlen:
raise UnsupportedFont('This font has an OS/2 table of incorrect length')
vals = get_font_characteristics(table, raw_is_table=True)
self.characteristics = FontCharacteristics(*vals)
def read_characteristics(self, f):
if b'os/2' not in self.tables:
raise UnsupportedFont('This font has no OS/2 table')
toff, tlen = self.tables[b'os/2'][:2]
f.seek(toff)
table = f.read(tlen)
if len(table) != tlen:
raise UnsupportedFont('This font has an OS/2 table of incorrect length')
vals = get_font_characteristics(table, raw_is_table=True)
self.characteristics = FontCharacteristics(*vals)
def fonts_for_family(self, family, normalize=True):
family = unicode_type(family)
ans = {}
for weight, is_italic in product((self.w.FW_NORMAL, self.w.FW_BOLD), (False, True)):
if family in self.app_font_families:
m = self.app_font_families[family]
path = m.get((weight, is_italic), None)
if path is None:
continue
data = P(path, data=True)
else:
try:
data = self.w.font_data(family, is_italic, weight)
except Exception as e:
prints('Failed to get font data for font: %s [%s] with error: %s'%
(family, self.get_normalized_name(is_italic, weight), e))
continue
ok, sig = is_truetype_font(data)
if not ok:
prints('Not a supported font, sfnt_version: %r'%sig)
continue
ext = 'otf' if sig == b'OTTO' else 'ttf'
try:
weight, is_italic, is_bold, is_regular = get_font_characteristics(data)[:4]
except Exception as e:
prints('Failed to get font characteristic for font: %s [%s]'
' with error: %s'%(family,
self.get_normalized_name(is_italic, weight), e))
continue
try:
family_name, sub_family_name, full_name = get_font_names(data)
except:
pass
if normalize:
ft = {(True, True):'bi', (True, False):'italic', (False,
True):'bold', (False, False):'normal'}[(is_italic,
is_bold)]
else:
ft = (1 if is_italic else 0, weight//10)
if not (family_name or full_name):
# prints('Font %s [%s] has no names'%(family,
# self.get_normalized_name(is_italic, weight)))
family_name = family
name = full_name or family + ' ' + (sub_family_name or '')
try:
name.encode('ascii')
except ValueError:
try:
sub_family_name.encode('ascii')
subf = sub_family_name
except:
subf = ''
name = family + ((' ' + subf) if subf else '')
ans[ft] = (ext, name, data)
return ans
def fonts_for_family(self, family, normalize=True):
family = type(u'')(family)
ans = {}
for weight, is_italic in product( (self.w.FW_NORMAL, self.w.FW_BOLD), (False, True) ):
if family in self.app_font_families:
m = self.app_font_families[family]
path = m.get((weight, is_italic), None)
if path is None: continue
data = P(path, data=True)
else:
try:
data = self.w.font_data(family, is_italic, weight)
except Exception as e:
prints('Failed to get font data for font: %s [%s] with error: %s'%
(family, self.get_normalized_name(is_italic, weight), e))
continue
ok, sig = is_truetype_font(data)
if not ok:
prints('Not a supported font, sfnt_version: %r'%sig)
continue
ext = 'otf' if sig == b'OTTO' else 'ttf'
try:
weight, is_italic, is_bold, is_regular = get_font_characteristics(data)[:4]
except Exception as e:
prints('Failed to get font characteristic for font: %s [%s]'
' with error: %s'%(family,
self.get_normalized_name(is_italic, weight), e))
continue
try:
family_name, sub_family_name, full_name = get_font_names(data)
except:
pass
if normalize:
ft = {(True, True):'bi', (True, False):'italic', (False,
True):'bold', (False, False):'normal'}[(is_italic,
is_bold)]
else:
ft = (1 if is_italic else 0, weight//10)
if not (family_name or full_name):
# prints('Font %s [%s] has no names'%(family,
# self.get_normalized_name(is_italic, weight)))
family_name = family
name = full_name or family + ' ' + (sub_family_name or '')
try:
name.encode('ascii')
except ValueError:
try:
sub_family_name.encode('ascii')
subf = sub_family_name
except:
subf = ''
name = family + ((' ' + subf) if subf else '')
ans[ft] = (ext, name, data)
return ans
def test_ttf_reading():
for f in sys.argv[1:]:
raw = open(f).read()
print (os.path.basename(f))
get_font_characteristics(raw)
print()
