diff options
| -rwxr-xr-x | scripts/touchup_for_android.py | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/scripts/touchup_for_android.py b/scripts/touchup_for_android.py index e0f81cd..187a432 100755 --- a/scripts/touchup_for_android.py +++ b/scripts/touchup_for_android.py @@ -16,138 +16,18 @@ """Post-build changes for Roboto for Android.""" -import collections import os from os import path import sys from fontTools import ttLib from nototools import font_data -from nototools import unicode_data - - -def drop_lookup(table, lookup_number): - """Drop a lookup from an OpenType table by number. - - Actually remove pointers from features to the lookup, which should be less - intrusive. - """ - for feature in table.table.FeatureList.FeatureRecord: - if lookup_number in feature.Feature.LookupListIndex: - feature.Feature.LookupListIndex.remove(lookup_number) - feature.Feature.LookupCount -= 1 - - -def get_font_name(font): - """Gets the name of the font from the name table.""" - return font_data.get_name_records(font)[4] - - -DIGITS = ['zero', 'one', 'two', 'three', 'four', - 'five', 'six', 'seven', 'eight', 'nine'] - -def fix_digit_widths(font): - """Change all digit widths in the font to be the same.""" - hmtx_table = font['hmtx'] - widths = [hmtx_table[digit][0] for digit in DIGITS] - if len(set(widths)) > 1: - width_counter = collections.Counter(widths) - most_common_width = width_counter.most_common(1)[0][0] - print 'Digit widths were %s.' % repr(widths) - print 'Setting all glyph widths to %d.' % most_common_width - for digit in DIGITS: - assert abs(hmtx_table[digit][0] - most_common_width) <= 1 - hmtx_table[digit][0] = most_common_width - - -_MAP_SPACING_TO_COMBINING = { - 'acute': 'acutecomb', - 'breve': 'brevenosp', - 'caron': 'uni030C', - 'cedilla': 'cedillanosp', - 'circumflex': 'circumflexnosp', - 'dieresis': 'dieresisnosp', - 'dotaccent': 'dotnosp', - 'grave': 'gravecomb', - 'hungarumlaut': 'acutedblnosp', - 'macron': 'macroncomb', - 'ogonek': 'ogoneknosp', - 'tilde': 'tildecomb', - 'ring': 'ringnosp', - 'tonos': 'acutecomb', - 'uni02F3': 'ringsubnosp', -} - -def fix_ccmp_lookup(font): - """Fixes the broken ccmp lookup.""" - cmap = font_data.get_cmap(font) - reverse_cmap = {name: code for (code, name) in cmap.items()} - - # Where we know the bad 'ccmp' is - ccmp_lookup = font['GSUB'].table.LookupList.Lookup[2] - assert ccmp_lookup.LookupType == 4 - assert ccmp_lookup.SubTableCount == 1 - ligatures = ccmp_lookup.SubTable[0].ligatures - for first_char, ligtable in ligatures.iteritems(): - ligatures_to_delete = [] - for index, ligature in enumerate(ligtable): - assert len(ligature.Component) == 1 - component = ligature.Component[0] - if (component.endswith('comb') - or component in ['commaaccent', - 'commaaccentrotate', - 'ringacute']): - continue - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=54 - if first_char == 'a' and component == 'uni02BE': - ligatures_to_delete.append(index) - continue - char = reverse_cmap[component] - general_category = unicode_data.category(char) - if general_category != 'Mn': # not a combining mark - ligature.Component[0] = _MAP_SPACING_TO_COMBINING[component] - ligatures[first_char] = [ - ligature for (index, ligature) in enumerate(ligtable) - if index not in ligatures_to_delete] def apply_temporary_fixes(font): """Apply some temporary fixes. """ - # Make sure macStyle is correct - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=8 - font_name = get_font_name(font) - bold = ('Bold' in font_name) or ('Black' in font_name) - italic = 'Italic' in font_name - font['head'].macStyle = (italic << 1) | bold - - # Mark the font free for installation, embedding, etc. - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=29 - os2 = font['OS/2'] - os2.fsType = 0 - - # Set the font vendor to Google - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=46 - os2.achVendID = 'GOOG' - - # Drop the lookup forming the ff ligature - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=47 - drop_lookup(font['GSUB'], 5) - - # Correct the ccmp lookup to use combining marks instead of spacing ones - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=48 - fix_ccmp_lookup(font) - - # Fix the digit widths - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=49 - fix_digit_widths(font) - - # Add cmap for U+2117 SOUND RECORDING COPYRIGHT - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=44 - font_data.add_to_cmap(font, {0x2117: 'published'}) - # Fix version number from buildnumber.txt - # https://code.google.com/a/google.com/p/roboto/issues/detail?id=50 from datetime import date build_number_txt = path.join( |