def load_font(self,
prefix,
ttf_filename,
charmap_filename,
directory=None):
"""Loads a font file and the associated charmap
If `directory` is None, the files will be looked up in ./fonts/
Arguments
---------
prefix: str
prefix string to be used when accessing a given font set
ttf_filename: str
ttf font filename
charmap_filename: str
charmap filename
directory: str or None, optional
directory for font and charmap files
"""
def hook(obj):
result = {}
for key in obj:
result[key] = unichr(int(obj[key], 16))
return result
if directory is None:
directory = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'fonts')
with open(os.path.join(directory, ttf_filename), 'rb') as f:
font_data = QByteArray(f.read())
with open(os.path.join(directory, charmap_filename), 'r') as codes:
self.charmap[prefix] = json.load(codes, object_hook=hook)
id_ = QFontDatabase.addApplicationFontFromData(font_data)
loadedFontFamilies = QFontDatabase.applicationFontFamilies(id_)
if (loadedFontFamilies):
self.fontname[prefix] = loadedFontFamilies[0]
else:
print('Font is empty')
def load_font(self, prefix, ttf_filename, charmap_filename, directory=None):
"""Loads a font file and the associated charmap
If `directory` is None, the files will be looked up in ./fonts/
Arguments
---------
prefix: str
prefix string to be used when accessing a given font set
ttf_filename: str
ttf font filename
charmap_filename: str
charmap filename
directory: str or None, optional
directory for font and charmap files
"""
def hook(obj):
result = {}
for key in obj:
result[key] = unichr(int(obj[key], 16))
return result
if directory is None:
directory = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'fonts')
with open(os.path.join(directory, ttf_filename), 'rb') as f:
font_data = QByteArray(f.read())
with open(os.path.join(directory, charmap_filename), 'r') as codes:
self.charmap[prefix] = json.load(codes, object_hook=hook)
id_ = QFontDatabase.addApplicationFontFromData(font_data)
loadedFontFamilies = QFontDatabase.applicationFontFamilies(id_)
if(loadedFontFamilies):
self.fontname[prefix] = loadedFontFamilies[0]
else:
print('Font is empty')
def load_font(self,
prefix,
ttf_filename,
charmap_filename,
directory=None):
"""Loads a font file and the associated charmap.
If ``directory`` is None, the files will be looked for in ``./fonts/``.
Parameters
----------
prefix: str
Prefix string to be used when accessing a given font set
ttf_filename: str
Ttf font filename
charmap_filename: str
Charmap filename
directory: str or None, optional
Directory for font and charmap files
"""
def hook(obj):
result = {}
for key in obj:
try:
result[key] = chr(int(obj[key], 16))
except ValueError:
if int(obj[key], 16) > 0xffff:
# ignoring unsupported code in Python 2.7 32bit Windows
# ValueError: chr() arg not in range(0x10000)
warnings.warn("Your Python version doesn't support "
"character {0}:{1}".format(
key, obj[key]))
else:
raise FontError(u'Failed to load character '
'{0}:{1}'.format(key, obj[key]))
return result
if directory is None:
directory = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'fonts')
# Load font
if QApplication.instance() is not None:
with open(os.path.join(directory, ttf_filename),
'rb') as font_data:
id_ = QFontDatabase.addApplicationFontFromData(
QByteArray(font_data.read()))
font_data.close()
loadedFontFamilies = QFontDatabase.applicationFontFamilies(id_)
if loadedFontFamilies:
self.fontname[prefix] = loadedFontFamilies[0]
else:
raise FontError(u"Font at '{0}' appears to be empty. "
"If you are on Windows 10, please read "
"https://support.microsoft.com/"
"en-us/kb/3053676 "
"to know how to prevent Windows from blocking "
"the fonts that come with QtAwesome.".format(
os.path.join(directory, ttf_filename)))
with open(os.path.join(directory, charmap_filename), 'r') as codes:
self.charmap[prefix] = json.load(codes, object_hook=hook)
# Verify that vendorized fonts are not corrupt
if not SYSTEM_FONTS:
ttf_hash = MD5_HASHES.get(ttf_filename, None)
if ttf_hash is not None:
hasher = hashlib.md5()
with open(os.path.join(directory, ttf_filename),
'rb') as f:
content = f.read()
hasher.update(content)
ttf_calculated_hash_code = hasher.hexdigest()
if ttf_calculated_hash_code != ttf_hash:
raise FontError(u"Font is corrupt at: '{0}'".format(
os.path.join(directory, ttf_filename)))
def load_font(self,
prefix,
ttf_filename,
charmap_filename,
directory=None):
"""Loads a font file and the associated charmap.
If ``directory`` is None, the files will be looked for in
the qtawesome ``fonts`` directory.
Parameters
----------
prefix: str
Prefix string to be used when accessing a given font set
ttf_filename: str
Ttf font filename
charmap_filename: str
Charmap filename
directory: str or None, optional
Directory path for font and charmap files
"""
def hook(obj):
result = {}
for key in obj:
try:
result[key] = chr(int(obj[key], 16))
except ValueError:
if int(obj[key], 16) > 0xffff:
# ignoring unsupported code in Python 2.7 32bit Windows
# ValueError: chr() arg not in range(0x10000)
pass
else:
raise FontError(u'Failed to load character '
'{0}:{1}'.format(key, obj[key]))
return result
if directory is None:
directory = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'fonts')
# Load font
if QApplication.instance() is not None:
with open(os.path.join(directory, ttf_filename),
'rb') as font_data:
id_ = QFontDatabase.addApplicationFontFromData(
QByteArray(font_data.read()))
font_data.close()
loadedFontFamilies = QFontDatabase.applicationFontFamilies(id_)
if loadedFontFamilies:
self.fontids[prefix] = id_
self.fontname[prefix] = loadedFontFamilies[0]
else:
raise FontError(u"Font at '{0}' appears to be empty. "
"If you are on Windows 10, please read "
"https://support.microsoft.com/"
"en-us/kb/3053676 "
"to know how to prevent Windows from blocking "
"the fonts that come with QtAwesome.".format(
os.path.join(directory, ttf_filename)))
with open(os.path.join(directory, charmap_filename), 'r') as codes:
self.charmap[prefix] = json.load(codes, object_hook=hook)