# coding: ascii # pygame - Python Game Library # Copyright (C) 2000-2003 Pete Shinners # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Library General Public License for more details. # # You should have received a copy of the GNU Library General Public # License along with this library; if not, write to the Free # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # Pete Shinners # pete@shinners.org """sysfont, used in the font module to find system fonts""" import os import sys from pygame.compat import xrange_, PY_MAJOR_VERSION from os.path import basename, dirname, exists, join, splitext import xml.etree.ElementTree as ET OpenType_extensions = frozenset(('.ttf', '.ttc', '.otf')) Sysfonts = {} Sysalias = {} # Python 3 compatibility if PY_MAJOR_VERSION >= 3: def toascii(raw): """convert bytes to ASCII-only string""" return raw.decode('ascii', 'ignore') if os.name == 'nt': import winreg as _winreg else: import subprocess else: def toascii(raw): """return ASCII characters of a given unicode or 8-bit string""" return raw.decode('ascii', 'ignore') if os.name == 'nt': import _winreg else: import subprocess def _simplename(name): """create simple version of the font name""" # return alphanumeric characters of a string (converted to lowercase) return ''.join(c.lower() for c in name if c.isalnum()) def _addfont(name, bold, italic, font, fontdict): """insert a font and style into the font dictionary""" if name not in fontdict: fontdict[name] = {} fontdict[name][bold, italic] = font def initsysfonts_win32(): """initialize fonts dictionary on Windows""" fontdir = join(os.environ.get('WINDIR', 'C:\\Windows'), 'Fonts') TrueType_suffix = '(TrueType)' mods = ('demibold', 'narrow', 'light', 'unicode', 'bt', 'mt') fonts = {} # add fonts entered in the registry # find valid registry keys containing font information. # http://docs.python.org/lib/module-sys.html # 0 (VER_PLATFORM_WIN32s) Win32s on Windows 3.1 # 1 (VER_PLATFORM_WIN32_WINDOWS) Windows 95/98/ME # 2 (VER_PLATFORM_WIN32_NT) Windows NT/2000/XP # 3 (VER_PLATFORM_WIN32_CE) Windows CE if sys.getwindowsversion()[0] == 1: key_name = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Fonts" else: key_name = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts" key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, key_name) for i in xrange_(_winreg.QueryInfoKey(key)[1]): try: # name is the font's name e.g. Times New Roman (TrueType) # font is the font's filename e.g. times.ttf name, font = _winreg.EnumValue(key, i)[0:2] except EnvironmentError: break # try to handle windows unicode strings for file names with # international characters if PY_MAJOR_VERSION < 3: # here are two documents with some information about it: # http://www.python.org/peps/pep-0277.html # https://www.microsoft.com/technet/archive/interopmigration/linux/mvc/lintowin.mspx#ECAA try: font = str(font) except UnicodeEncodeError: # MBCS is the windows encoding for unicode file names. try: font = font.encode('MBCS') except: # no success with str or MBCS encoding... skip this font. continue if splitext(font)[1].lower() not in OpenType_extensions: continue if not dirname(font): font = join(fontdir, font) if name.endswith(TrueType_suffix): name = name.rstrip(TrueType_suffix).rstrip() name = name.lower().split() bold = italic = 0 for m in mods: if m in name: name.remove(m) if 'bold' in name: name.remove('bold') bold = 1 if 'italic' in name: name.remove('italic') italic = 1 name = ''.join(name) name = _simplename(name) _addfont(name, bold, italic, font, fonts) return fonts def _add_font_paths(sub_elements, fonts): """ Gets each element, checks its tag content, if wanted fetches the next value in the iterable """ font_name = font_path = None for tag in sub_elements: if tag.text == "_name": font_name = next(sub_elements).text if splitext(font_name)[1] not in OpenType_extensions: break bold = "bold" in font_name italic = "italic" in font_name if tag.text == "path" and font_name is not None: font_path = next(sub_elements).text _addfont(_simplename(font_name),bold,italic,font_path,fonts) break def _system_profiler_darwin(): fonts = {} flout, flerr = subprocess.Popen( ' '.join(['system_profiler', '-xml','SPFontsDataType']), shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True ).communicate() for font_node in ET.fromstring(flout).iterfind('./array/dict/array/dict'): _add_font_paths(font_node.iter("*"), fonts) return fonts def initsysfonts_darwin(): """ Read the fonts on MacOS, and OS X. """ # if the X11 binary exists... try and use that. # Not likely to be there on pre 10.4.x ... or MacOS 10.10+ if exists('/usr/X11/bin/fc-list'): fonts = initsysfonts_unix('/usr/X11/bin/fc-list') # This fc-list path will work with the X11 from the OS X 10.3 installation # disc elif exists('/usr/X11R6/bin/fc-list'): fonts = initsysfonts_unix('/usr/X11R6/bin/fc-list') elif exists('/usr/sbin/system_profiler'): try: fonts = _system_profiler_darwin() except: fonts = {} else: fonts = {} return fonts # read the fonts on unix def initsysfonts_unix(path="fc-list"): """use the fc-list from fontconfig to get a list of fonts""" fonts = {} try: # note, we capture stderr so if fc-list isn't there to stop stderr # printing. flout, flerr = subprocess.Popen('%s : file family style' % path, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True).communicate() except Exception: return fonts entries = toascii(flout) try: for line in entries.split('\n'): try: filename, family, style = line.split(':', 2) if splitext(filename)[1].lower() in OpenType_extensions: bold = 'Bold' in style italic = 'Italic' in style oblique = 'Oblique' in style for name in family.strip().split(','): if name: break else: name = splitext(basename(filename))[0] _addfont( _simplename(name), bold, italic or oblique, filename, fonts) except Exception: # try the next one. pass except Exception: pass return fonts def create_aliases(): """map common fonts that are absent from the system to similar fonts that are installed in the system""" alias_groups = ( ('monospace', 'misc-fixed', 'courier', 'couriernew', 'console', 'fixed', 'mono', 'freemono', 'bitstreamverasansmono', 'verasansmono', 'monotype', 'lucidaconsole'), ('sans', 'arial', 'helvetica', 'swiss', 'freesans', 'bitstreamverasans', 'verasans', 'verdana', 'tahoma'), ('serif', 'times', 'freeserif', 'bitstreamveraserif', 'roman', 'timesroman', 'timesnewroman', 'dutch', 'veraserif', 'georgia'), ('wingdings', 'wingbats'), ) for alias_set in alias_groups: for name in alias_set: if name in Sysfonts: found = Sysfonts[name] break else: continue for name in alias_set: if name not in Sysfonts: Sysalias[name] = found # initialize it all, called once def initsysfonts(): if sys.platform == 'win32': fonts = initsysfonts_win32() elif sys.platform == 'darwin': fonts = initsysfonts_darwin() else: fonts = initsysfonts_unix() Sysfonts.update(fonts) create_aliases() if not Sysfonts: # dummy so we don't try to reinit Sysfonts[None] = None # pygame.font specific declarations def font_constructor(fontpath, size, bold, italic): import pygame.font font = pygame.font.Font(fontpath, size) if bold: font.set_bold(1) if italic: font.set_italic(1) return font # the exported functions def SysFont(name, size, bold=False, italic=False, constructor=None): """pygame.font.SysFont(name, size, bold=False, italic=False, constructor=None) -> Font create a pygame Font from system font resources This will search the system fonts for the given font name. You can also enable bold or italic styles, and the appropriate system font will be selected if available. This will always return a valid Font object, and will fallback on the builtin pygame font if the given font is not found. Name can also be a comma separated list of names, in which case set of names will be searched in order. Pygame uses a small set of common font aliases, if the specific font you ask for is not available, a reasonable alternative may be used. if optional contructor is provided, it must be a function with signature constructor(fontpath, size, bold, italic) which returns a Font instance. If None, a pygame.font.Font object is created. """ if constructor is None: constructor = font_constructor if not Sysfonts: initsysfonts() gotbold = gotitalic = False fontname = None if name: allnames = name for name in allnames.split(','): name = _simplename(name) styles = Sysfonts.get(name) if not styles: styles = Sysalias.get(name) if styles: plainname = styles.get((False, False)) fontname = styles.get((bold, italic)) if not fontname and not plainname: # Neither requested style, nor plain font exists, so # return a font with the name requested, but an # arbitrary style. (style, fontname) = list(styles.items())[0] # Attempt to style it as requested. This can't # unbold or unitalicize anything, but it can # fake bold and/or fake italicize. if bold and style[0]: gotbold = True if italic and style[1]: gotitalic = True elif not fontname: fontname = plainname elif plainname != fontname: gotbold = bold gotitalic = italic if fontname: break set_bold = set_italic = False if bold and not gotbold: set_bold = True if italic and not gotitalic: set_italic = True return constructor(fontname, size, set_bold, set_italic) def get_fonts(): """pygame.font.get_fonts() -> list get a list of system font names Returns the list of all found system fonts. Note that the names of the fonts will be all lowercase with spaces removed. This is how pygame internally stores the font names for matching. """ if not Sysfonts: initsysfonts() return list(Sysfonts) def match_font(name, bold=0, italic=0): """pygame.font.match_font(name, bold=0, italic=0) -> name find the filename for the named system font This performs the same font search as the SysFont() function, only it returns the path to the TTF file that would be loaded. The font name can be a comma separated list of font names to try. If no match is found, None is returned. """ if not Sysfonts: initsysfonts() fontname = None allnames = name for name in allnames.split(','): name = _simplename(name) styles = Sysfonts.get(name) if not styles: styles = Sysalias.get(name) if styles: while not fontname: fontname = styles.get((bold, italic)) if italic: italic = 0 elif bold: bold = 0 elif not fontname: fontname = list(styles.values())[0] if fontname: break return fontname