张翔
54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
#!/usr/bin/env python3
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"""字体子集化脚本 - 处理有问题的字体文件"""
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from fontTools.ttLib import TTFont
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from fontTools.subset import Subsetter
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import os
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# 读取字符
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with open('scripts/font-chars.txt', 'r', encoding='utf-8') as f:
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chars = set(f.read()) - {'\n', '\r', '\t', ' '}
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print(f'📝 需要保留的字符数: {len(chars)}')
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# 加载字体
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input_font = 'public/fonts/AoyagiReisho.ttf'
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font = TTFont(input_font)
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original_size = os.path.getsize(input_font) / 1024 / 1024
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print(f'📊 原始字体大小: {original_size:.2f} MB')
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# 删除有问题的表
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problematic_tables = ['gasp', 'mort']
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for table in problematic_tables:
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if table in font:
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print(f'⚠️ 删除有问题的表: {table}')
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del font[table]
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# 创建子集
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print('⚙️ 正在创建字体子集...')
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subsetter = Subsetter()
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subsetter.populate(chars)
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try:
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subsetter.subset(font)
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except Exception as e:
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print(f'⚠️ 子集化过程中出现警告: {e}')
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print('继续处理...')
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# 保存 WOFF2
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output_woff2 = 'public/fonts/AoyagiReisho.woff2'
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print(f'💾 正在保存 WOFF2: {output_woff2}')
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font.flavor = 'woff2'
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font.save(output_woff2)
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font.close()
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# 统计
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new_size = os.path.getsize(output_woff2) / 1024 / 1024
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reduction = (1 - new_size / original_size) * 100
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print(f'\n✨ 优化完成!')
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print(f'📊 新字体大小: {new_size:.2f} MB')
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print(f'📉 减小比例: {reduction:.1f}%')
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print(f'💾 节省空间: {(original_size - new_size):.2f} MB')
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print(f'\n✅ 字体文件已保存到: {output_woff2}')
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