import sys import os import shutil from typing import Union class FontManager: linux_font_path = "~/.fonts/" @classmethod def init_font_manager(cls): # Linux if sys.platform.startswith("linux"): try: if not os.path.isdir(os.path.expanduser(cls.linux_font_path)): os.mkdir(os.path.expanduser(cls.linux_font_path)) return True except Exception as err: sys.stderr.write("FontManager error: " + str(err) + "\n") return False # other platforms else: return True @classmethod def windows_load_font(cls, font_path: Union[str, bytes], private: bool = True, enumerable: bool = False) -> bool: """ Function taken from: https://stackoverflow.com/questions/11993290/truly-custom-font-in-tkinter/30631309#30631309 """ from ctypes import windll, byref, create_unicode_buffer, create_string_buffer FR_PRIVATE = 0x10 FR_NOT_ENUM = 0x20 if isinstance(font_path, bytes): path_buffer = create_string_buffer(font_path) add_font_resource_ex = windll.gdi32.AddFontResourceExA elif isinstance(font_path, str): path_buffer = create_unicode_buffer(font_path) add_font_resource_ex = windll.gdi32.AddFontResourceExW else: raise TypeError('font_path must be of type bytes or str') flags = (FR_PRIVATE if private else 0) | (FR_NOT_ENUM if not enumerable else 0) num_fonts_added = add_font_resource_ex(byref(path_buffer), flags, 0) return bool(min(num_fonts_added, 1)) @classmethod def load_font(cls, font_path: str) -> bool: # Windows if sys.platform.startswith("win"): return cls.windows_load_font(font_path, private=True, enumerable=False) # Linux elif sys.platform.startswith("linux"): try: shutil.copy(font_path, os.path.expanduser(cls.linux_font_path)) return True except Exception as err: sys.stderr.write("FontManager error: " + str(err) + "\n") return False # macOS and others else: return False