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, charmap_filename), 'r') as codes:
self.charmap[prefix] = json.load(codes, object_hook=hook)
id_ = QFontDatabase.addApplicationFont(
os.path.join(directory, ttf_filename))
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 font_is_installed(font):
"""Check if font is installed"""
return [
fam for fam in QFontDatabase().families()
if to_text_string(fam) == font
]