hm
97f7d200a2
- 移动 10 个 Python 字体工具脚本到 tools/ - 移动 5 个 C 字体测试文件到 tools/ - 更新脚本路径引用适配新目录结构 - 清理 vue/vue3 前端模板文件
66 lines
2.4 KiB
Python
66 lines
2.4 KiB
Python
import struct
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import os
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ttf_path = "vue/vue3/src/assets/fonts/NotoSansSC-VariableFont_wght_2.ttf"
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project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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ttf_path = os.path.join(project_root, ttf_path)
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with open(ttf_path, "rb") as f:
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data = bytearray(f.read())
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sfVersion = data[0:4]
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numTables = struct.unpack(">H", data[4:6])[0]
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print(f"sfVersion: {sfVersion}")
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print(f"numTables: {numTables}")
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table_dir = {}
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for i in range(numTables):
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pos = 12 + i * 16
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tag = data[pos:pos+4].decode("ascii")
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checksum, offset, length = struct.unpack_from(">III", data, pos + 4)
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table_dir[tag] = {"offset": offset, "length": length, "checksum": checksum}
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print(f" Table {tag}: offset={offset}, length={length}, checksum=0x{checksum:08X}")
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if "fvar" not in table_dir:
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print("ERROR: No fvar table found!")
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exit(1)
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fvar = table_dir["fvar"]
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fvar_data = data[fvar["offset"]:fvar["offset"]+fvar["length"]]
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version_major, version_minor, axesArrayOffset, reserved, axisCount, axisSize, instanceCount, instanceSize = \
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struct.unpack_from(">HHHHHHHH", fvar_data, 0)
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print(f"\nfvar table at offset {fvar['offset']}:")
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print(f" version: {version_major}.{version_minor}")
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print(f" axesArrayOffset: {axesArrayOffset}")
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print(f" axisCount: {axisCount}, axisSize: {axisSize}")
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print(f" instanceCount: {instanceCount}, instanceSize: {instanceSize}")
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axis_records_start = fvar["offset"] + axesArrayOffset
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for i in range(axisCount):
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pos = axis_records_start + i * axisSize
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tag = data[pos:pos+4].decode("ascii")
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minValue = struct.unpack_from(">i", data, pos + 4)[0]
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defaultValue = struct.unpack_from(">i", data, pos + 8)[0]
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maxValue = struct.unpack_from(">i", data, pos + 12)[0]
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minWeight = minValue / 65536.0
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defaultWeight = defaultValue / 65536.0
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maxWeight = maxValue / 65536.0
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print(f"\n Axis {i}: {tag}")
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print(f" min={minValue} ({minWeight}), default={defaultValue} ({defaultWeight}), max={maxValue} ({maxWeight})")
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if tag == "wght" and defaultWeight == 100.0:
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new_default = int(500 * 65536)
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struct.pack_into(">i", data, pos + 8, new_default)
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print(f" *** PATCHED default from {defaultWeight} to 500 (0x{new_default:08X})")
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new_ttf_path = ttf_path.replace(".ttf", "_medium.ttf")
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with open(new_ttf_path, "wb") as f:
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f.write(data)
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print(f"\nSaved patched font to: {new_ttf_path}")
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print("Done!")
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