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nerd-fonts/bin/scripts/name_parser/check_glyphs
Fini Jastrow 8047f40372 Add tool to find problematic glyphs
Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>
2024-03-18 19:59:31 +01:00

82 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python3
# coding=utf8
#
# Usually called via
# $ fontforge check_glyphs fontfile1.tff [fontfile2.ttf ...] 2>/dev/null
#
# The output differs depending on number of specified fonts.
# If only one font is examined full detail is shown.
# If more fonts are specified only a summary for each font is listed.
import sys
import os.path
import fontforge
count_o = 0
count_i = 0
count_d = 0
def val_to_text(v):
global count_o
global count_i
global count_d
parts = [ ]
if v & 2:
parts += ['open']
count_o += 1
else:
parts += [' ']
if v & 4:
parts += ['intersect']
count_i += 1
else:
parts += [' ']
if v & 8:
parts += ['direction']
count_d += 1
else:
parts += [' ']
return ' '.join(parts)
###### Let's go!
if len(sys.argv) < 2:
print('Usage: {} font_name [font_name ...]\n'.format(sys.argv[0]))
sys.exit(1)
print('Examining {} font files'.format(len(sys.argv) - 1))
batch_mode = len(sys.argv) > 2
if batch_mode:
print('Batch mode enabled')
print('| {:40} | {:5} | {:4} | {:4} | {:4} |'.format('file', '#glyp', 'open', 'self', 'dir'))
for filename in sys.argv[1:]:
fullfile = os.path.basename(filename)
fname = os.path.splitext(fullfile)[0]
font = fontforge.open(filename, 1)
# print('======== {} ========'.format(fullfile))
font.encoding = 'UnicodeFull'
count = 0
count_o = 0
count_i = 0
count_d = 0
for c in range (1, 0xffffff):
if not c in font:
continue
font[c].unlinkRef()
font[c].removeOverlap()
val = val_to_text(font[c].validate(True))
if font[c].validation_state & 0xE:
if not batch_mode:
print(' {:04X} {:08X} {} {}'.format(c, font[c].validation_state, val, font[c].glyphname))
font[c].correctDirection()
count += 1
if not batch_mode:
print('======== {} ========'.format(fullfile))
print('Sum of problems: open {}, intersect {}, direction {} (for a total of {} glyphs)'.format(count_o, count_i, count_d, count))
else:
print('| {:40} | {:5} | {:4} | {:4} | {:4} |'.format(fullfile, count, count_o, count_i, count_d))
font.close()