Support for localized names

[yisibl]

Many CJK fonts have localized names, do we support modifying them now?

e.g.

{
en: "Source Han Sans SC"
}, {
 zh: "思源黑体"
}

[fmnijk]

Here is a modified script that works.
Usage:python fontname.py "Source Han Sans SC" -sc 思源黑体 -tc 思源黑體 -hc 思源黑體 -mo 思源黑體 -sg 思源黑体 a.ttf

#!/usr/bin/env python3

# ==========================================================================
# fontname.py
# Copyright 2019 Christopher Simpkins
# MIT License
#
# Dependencies:
#   1) Python 3.6+ interpreter
#   2) fonttools Python library (https://github.com/fonttools/fonttools)
#         - install with `pip3 install fonttools`
#
# Usage:
#   python fontname.py "English Name" [-sc "简体名"] [-tc "繁體名"] [-hk "香港名"] [-hc "香港名"] [-mo "澳門名"] [-sg "新加坡名"] [FONT PATH 1] <FONT PATH ...>
#
# Notes:
#   Use quotes around font names that include spaces
# ===========================================================================

import os
import sys
import argparse

from fontTools import ttLib
from fontTools.ttLib.tables._n_a_m_e import NameRecord

def update_name_record(tt, en_name, sc_name=None, tc_name=None, hk_name=None, mo_name=None, sg_name=None):
    name = tt['name']
    
    # 刪除現有的名稱記錄
    name.names = [record for record in name.names if record.nameID not in (1, 3, 4, 6)]

    # 添加英文名稱
    for platform_id, encoding_id, language_id in [(1, 0, 0), (3, 1, 1033)]:
        name.setName(en_name, 1, platform_id, encoding_id, language_id)
        name.setName(en_name, 4, platform_id, encoding_id, language_id)
        name.setName(en_name.replace(" ", "") + "-Regular", 6, platform_id, encoding_id, language_id)

    # 添加唯一標識符
    name.setName(en_name, 3, 1, 0, 0)
    name.setName(en_name, 3, 3, 1, 1033)

    # 定義中文變體及其對應的 langID
    chinese_variants = [
        (sc_name, 2052, "Simplified Chinese"),
        (tc_name, 1028, "Traditional Chinese"),
        (hk_name, 3076, "Traditional Chinese (Hong Kong)"),
        (mo_name, 5124, "Traditional Chinese (Macau)"),
        (sg_name, 4100, "Simplified Chinese (Singapore)")
    ]

    # 添加各種中文名稱
    for ch_name, lang_id, lang_name in chinese_variants:
        if ch_name:
            for nameID in (1, 4):
                record = NameRecord()
                record.nameID = nameID
                record.platformID = 3
                record.platEncID = 1
                record.langID = lang_id
                record.string = ch_name
                name.names.append(record)

def main():
    parser = argparse.ArgumentParser(description="Update font name in TTF files.")
    parser.add_argument("en_name", help="English font name")
    parser.add_argument("-sc", "--sc_name", help="Simplified Chinese font name")
    parser.add_argument("-tc", "--tc_name", help="Traditional Chinese font name")
    parser.add_argument("-hk", "--hk_name", help="Traditional Chinese font name (Hong Kong)")
    parser.add_argument("-hc", "--hc_name", help="Alternative Traditional Chinese font name (Hong Kong)")
    parser.add_argument("-mo", "--mo_name", help="Traditional Chinese font name (Macau)")
    parser.add_argument("-sg", "--sg_name", help="Simplified Chinese font name (Singapore)")
    parser.add_argument("font_paths", nargs="+", help="Paths to font files")

    args = parser.parse_args()

    # 如果提供了 -hc，使用它作為 Hong Kong 名稱
    hk_name = args.hc_name if args.hc_name else args.hk_name

    for font_path in args.font_paths:
        if not file_exists(font_path):
            sys.stderr.write(
                f"[fontname.py] ERROR: the path '{font_path}' does not appear to be a valid file path.{os.linesep}"
            )
            sys.exit(1)

        tt = ttLib.TTFont(font_path)

        update_name_record(tt, args.en_name, args.sc_name, args.tc_name, hk_name, args.mo_name, args.sg_name)

        if "CFF " in tt:
            try:
                cff = tt["CFF "]
                cff.cff[0].FamilyName = args.en_name
                cff.cff[0].FullName = args.en_name
                cff.cff.fontNames = [args.en_name.replace(" ", "") + "-Regular"]
            except Exception as e:
                sys.stderr.write(f"[fontname.py] ERROR: unable to write new names to CFF table: {e}")

        try:
            tt.save(font_path)
            print(f"[OK] Updated '{font_path}' with the name '{args.en_name}'", end="")
            chinese_names = [
                ("Simplified Chinese", args.sc_name),
                ("Traditional Chinese", args.tc_name),
                ("Traditional Chinese (Hong Kong)", hk_name),
                ("Traditional Chinese (Macau)", args.mo_name),
                ("Simplified Chinese (Singapore)", args.sg_name)
            ]
            for lang, name in chinese_names:
                if name:
                    print(f", {lang} name '{name}'", end="")
            print()
        except Exception as e:
            sys.stderr.write(
                f"[fontname.py] ERROR: unable to write new name to OpenType name table for '{font_path}'. {os.linesep}"
            )
            sys.stderr.write(f"{e}{os.linesep}")
            sys.exit(1)

def file_exists(filepath):
    """Tests for existence of a file on the string filepath"""
    return os.path.exists(filepath) and os.path.isfile(filepath)

if __name__ == "__main__":
    main()