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Commit 2a0135d1 authored by Seigo Nonaka's avatar Seigo Nonaka
Browse files

Rename the font file with PostScript name based file name 

This CL also adds lint rules for matching the file name and PostScript
name.

Bug: 179952916
Test: m fontchain_lint
Merged-In: I829840299b5d138cfec8924ce8f77e1371524a70
Change-Id: Ifbe99d68c40605f004c88f63000b092cb68cafd6
parent eb45aabc

data/fonts/fonts.xml

+121 −121

File changed.

Preview size limit exceeded, changes collapsed.

tools/fonts/fontchain_linter.py

+55 −0
Original line number Diff line number Diff line
@@ -11,6 +11,12 @@ from fontTools import ttLib 


EMOJI_VS = 0xFE0F



#TODO(179952916): Rename CutiveMono and DancingScript

CANONICAL_NAME_EXCEPTION_LIST = [

    'CutiveMono.ttf',

    'DancingScript-Regular.ttf',

]



LANG_TO_SCRIPT = {

    'as': 'Beng',

    'be': 'Cyrl',
@@ -658,6 +664,53 @@ def check_cjk_punctuation(): 
            assert_font_supports_none_of_chars(record.font, cjk_punctuation, name)





def getPostScriptName(font):

  ttf = open_font(font)

  nameTable = ttf['name']

  for name in nameTable.names:

    if name.nameID == 6 and name.platformID == 3 and name.platEncID == 1 and name.langID == 0x0409:

      return str(name)





def getSuffix(font):

  file_path, index = font

  with open(path.join(_fonts_dir, file_path), 'rb') as f:

    tag = f.read(4)

    isCollection = tag == b'ttcf'



  ttf = open_font(font)

  isType1 = ('CFF ' in ttf or 'CFF2' in ttf)



  if isType1:

    if isCollection:

      return '.otc'

    else:

      return '.otf'

  else:

    if isCollection:

      return '.ttc'

    else:

      return '.ttf'





def check_canonical_name():

  for record in _all_fonts:

    file_name, index = record.font

    if file_name in CANONICAL_NAME_EXCEPTION_LIST:

      continue



    if index and index != 0:

      continue



    psName = getPostScriptName(record.font)

    assert psName, 'PostScript must be defined'



    suffix = getSuffix(record.font)

    canonicalName = '%s%s' % (psName, suffix)



    assert file_name == canonicalName, (

        '%s is not a canonical name. Must be %s' % (file_name, canonicalName))



def main():

    global _fonts_dir

    target_out = sys.argv[1]
@@ -675,6 +728,8 @@ def main(): 


    check_cjk_punctuation()



    check_canonical_name()



    check_emoji = sys.argv[2]

    if check_emoji == 'true':

        ucd_path = sys.argv[3]