518 lines
22 KiB
Python
518 lines
22 KiB
Python
"""
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字体管理模块
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负责查找和管理字体文件，支持预置字体、系统字体、ziti目录字体和Google Fonts
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"""
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import os
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import sys
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import platform
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from pathlib import Path
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from typing import Dict, List, Optional, Tuple
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import json
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# 尝试导入loguru，如果不可用则使用print作为替代
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try:
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from loguru import logger
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except ImportError:
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# Fallback logger that uses print
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class logger:
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@staticmethod
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def info(msg, *args, **kwargs):
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print(f"[INFO] {msg}", file=sys.stderr)
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@staticmethod
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def warning(msg, *args, **kwargs):
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print(f"[WARN] {msg}", file=sys.stderr)
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@staticmethod
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def error(msg, *args, **kwargs):
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print(f"[ERROR] {msg}", file=sys.stderr)
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@staticmethod
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def debug(msg, *args, **kwargs):
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print(f"[DEBUG] {msg}", file=sys.stderr)
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class FontManager:
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"""字体管理器"""
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def __init__(self):
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# 计算项目根目录（从 python/modules 向上两级）
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# __file__ 应该是 .../python/modules/font_manager.py
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current_file = Path(__file__).resolve()
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python_dir = current_file.parent.parent # python 目录
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project_root = python_dir.parent # 项目根目录
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self.bundled_fonts_dir = Path("fonts/bundled")
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self.fonts_metadata_file = self.bundled_fonts_dir / "fonts_metadata.json"
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# 🔧 修复ziti字体路径：支持ASAR打包环境
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# 检查是否在打包环境中运行
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app_root = os.environ.get('APP_ROOT', None)
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if app_root:
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ziti_path_bundle = Path(app_root) / "resources-bundles" / "ziti"
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if ziti_path_bundle.exists():
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self.ziti_fonts_dir = ziti_path_bundle
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print(f"✅ [font_manager] 找到ziti字体目录(bundle): {ziti_path_bundle}")
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else:
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ziti_path = Path(app_root) / "extra" / "common" / "fonts" / "ziti"
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if ziti_path.exists():
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self.ziti_fonts_dir = ziti_path
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print(f"✅ [font_manager] 找到ziti字体目录: {ziti_path}")
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else:
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ziti_path_fallback1 = Path(app_root) / "app.asar.unpacked" / "ziti"
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if ziti_path_fallback1.exists():
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self.ziti_fonts_dir = ziti_path_fallback1
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print(f"✅ [font_manager] 找到ziti字体目录(回退1): {ziti_path_fallback1}")
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else:
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ziti_path_fallback2 = Path(app_root) / "ziti"
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self.ziti_fonts_dir = ziti_path_fallback2
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print(f"⚠️ [font_manager] 使用回退路径: {ziti_path_fallback2} (存在: {ziti_path_fallback2.exists()})")
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else:
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self.ziti_fonts_dir = project_root / "ziti"
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print(f"🔧 [font_manager] 开发环境ziti路径: {self.ziti_fonts_dir}")
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self._bundled_fonts_cache: Optional[Dict] = None
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self._system_fonts_cache: Optional[List[Dict]] = None
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self._ziti_fonts_cache: Optional[List[Dict]] = None # 新增：ziti字体缓存
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# 诊断日志
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logger.debug(f"FontManager 初始化: current_file={current_file}, python_dir={python_dir}, project_root={project_root}")
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logger.debug(f"ziti_fonts_dir={self.ziti_fonts_dir.absolute()}, exists={self.ziti_fonts_dir.exists()}")
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def get_bundled_fonts(self) -> List[Dict]:
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"""获取预置字体列表"""
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if self._bundled_fonts_cache is not None:
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return self._bundled_fonts_cache.get("fonts", [])
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if not self.fonts_metadata_file.exists():
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logger.warning(f"字体元数据文件不存在: {self.fonts_metadata_file}")
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return []
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try:
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with open(self.fonts_metadata_file, "r", encoding="utf-8") as f:
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metadata = json.load(f)
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self._bundled_fonts_cache = metadata
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return metadata.get("fonts", [])
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except Exception as e:
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logger.error(f"读取字体元数据失败: {e}")
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return []
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def scan_ziti_fonts(self) -> List[Dict]:
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"""扫描ziti目录中的字体文件"""
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if self._ziti_fonts_cache is not None:
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return self._ziti_fonts_cache
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ziti_fonts = []
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logger.info(f"正在扫描 ziti 目录: {self.ziti_fonts_dir.absolute()}")
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logger.info(f" 当前工作目录: {os.getcwd()}")
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logger.info(f" APP_ROOT环境变量: {os.environ.get('APP_ROOT', 'None')}")
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if not self.ziti_fonts_dir.exists():
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logger.warning(f"❌ ziti目录不存在: {self.ziti_fonts_dir.absolute()}")
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logger.warning(f" 请检查路径配置和资源文件是否正确打包")
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return []
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else:
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logger.info(f"✅ ziti目录存在，开始扫描字体文件...")
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try:
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# 支持的字体格式
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font_extensions = ['.ttf', '.otf', '.ttc', '.woff', '.woff2']
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# 扫描ziti目录中的所有字体文件
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for font_file in self.ziti_fonts_dir.iterdir():
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if font_file.is_file() and font_file.suffix.lower() in font_extensions:
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# 从文件名提取字体信息
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font_name = font_file.stem
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# 尝试解析字体名称和变体
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display_name = font_name
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family = font_name
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weight = 400
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# 检测常见的字体变体
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name_lower = font_name.lower()
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if 'bold' in name_lower:
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weight = 700
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elif 'semibold' in name_lower:
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weight = 600
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elif 'medium' in name_lower:
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weight = 500
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elif 'light' in name_lower:
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weight = 300
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elif 'thin' in name_lower:
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weight = 100
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elif 'black' in name_lower or 'extrabold' in name_lower:
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weight = 900
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# 清理family名称（移除变体后缀）
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for variant in ['-Bold', '-SemiBold', '-Medium', '-Light', '-Thin', '-Black', '-ExtraBold', '-Regular']:
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if family.endswith(variant):
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family = family[:-len(variant)]
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break
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ziti_fonts.append({
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'family': family,
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'display_name': display_name,
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'path': str(font_file.absolute()),
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'source': 'ziti',
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'weight': weight,
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'category': 'sans-serif', # 默认分类
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'languages': ['zh-CN', 'ja', 'en'] # 假设支持中日英
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})
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logger.info(f"✅ 从ziti目录扫描到 {len(ziti_fonts)} 个字体")
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if len(ziti_fonts) > 0:
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logger.debug(f" 扫描到的字体: {', '.join([f['family'] for f in ziti_fonts[:5]])}" +
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(f" 等({len(ziti_fonts)}个)" if len(ziti_fonts) > 5 else ""))
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except Exception as e:
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logger.error(f"❌ 扫描ziti目录字体失败: {e}")
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import traceback
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logger.error(f" 追踪: {traceback.format_exc()}")
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# 去重（按family和weight）
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seen = set()
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unique_fonts = []
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for font in ziti_fonts:
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key = (font['family'], font.get('weight', 400))
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if key not in seen:
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seen.add(key)
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unique_fonts.append(font)
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self._ziti_fonts_cache = unique_fonts
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return unique_fonts
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def scan_system_fonts(self) -> List[Dict]:
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"""扫描系统已安装的字体"""
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if self._system_fonts_cache is not None:
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return self._system_fonts_cache
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system_fonts = []
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system = platform.system()
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try:
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if system == 'Windows':
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font_dir = Path("C:/Windows/Fonts")
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if font_dir.exists():
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# 常见Windows字体
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common_fonts = {
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'simhei.ttf': {'family': 'SimHei', 'display_name': '黑体'},
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'simsun.ttc': {'family': 'SimSun', 'display_name': '宋体'},
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'msyh.ttc': {'family': 'Microsoft YaHei', 'display_name': '微软雅黑'},
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'msyhbd.ttc': {'family': 'Microsoft YaHei', 'display_name': '微软雅黑 Bold', 'weight': 700},
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'arial.ttf': {'family': 'Arial', 'display_name': 'Arial'},
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'arialbd.ttf': {'family': 'Arial', 'display_name': 'Arial Bold', 'weight': 700},
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'times.ttf': {'family': 'Times New Roman', 'display_name': 'Times New Roman'},
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'timesbd.ttf': {'family': 'Times New Roman', 'display_name': 'Times New Roman Bold', 'weight': 700},
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}
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for font_file, font_info in common_fonts.items():
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font_path = font_dir / font_file
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if font_path.exists():
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system_fonts.append({
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'family': font_info['family'],
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'display_name': font_info['display_name'],
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'path': str(font_path),
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'source': 'system',
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'weight': font_info.get('weight', 400)
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})
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elif system == 'Darwin': # macOS
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font_dirs = [
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Path("/System/Library/Fonts"),
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Path("/Library/Fonts"),
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Path.home() / "Library/Fonts"
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]
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common_fonts = {
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'PingFang.ttc': {'family': 'PingFang SC', 'display_name': '苹方'},
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'Arial.ttf': {'family': 'Arial', 'display_name': 'Arial'},
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}
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for font_dir in font_dirs:
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if font_dir.exists():
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for font_file, font_info in common_fonts.items():
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font_path = font_dir / font_file
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if font_path.exists():
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system_fonts.append({
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'family': font_info['family'],
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'display_name': font_info['display_name'],
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'path': str(font_path),
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'source': 'system',
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'weight': 400
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})
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elif system == 'Linux':
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font_dirs = [
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Path("/usr/share/fonts/truetype"),
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Path("/usr/share/fonts/TTF"),
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Path.home() / ".fonts"
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]
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for font_dir in font_dirs:
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if font_dir.exists():
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# 查找常见字体
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for font_file in font_dir.rglob("*.ttf"):
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font_name = font_file.stem.lower()
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if 'dejavu' in font_name or 'liberation' in font_name:
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system_fonts.append({
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'family': font_file.stem,
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'display_name': font_file.stem,
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'path': str(font_file),
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'source': 'system',
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'weight': 400
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})
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except Exception as e:
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logger.error(f"扫描系统字体失败: {e}")
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# 去重（按family和weight）
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seen = set()
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unique_fonts = []
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for font in system_fonts:
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key = (font['family'], font.get('weight', 400))
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if key not in seen:
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seen.add(key)
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unique_fonts.append(font)
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self._system_fonts_cache = unique_fonts
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return unique_fonts
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def find_font(self, font_family: str, font_weight: int = 400) -> Optional[str]:
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"""查找字体文件（按优先级：预置 > ziti > 系统 > 默认）
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Args:
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font_family: 字体名称
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font_weight: 字体粗细 (100-1000)
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Returns:
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字体文件路径，如果找不到返回None
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"""
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# 1. 优先查找预置字体
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bundled_font = self._find_bundled_font(font_family, font_weight)
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if bundled_font:
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return bundled_font
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# 2. 查找ziti目录字体
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ziti_font = self._find_ziti_font(font_family, font_weight)
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if ziti_font:
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return ziti_font
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# 3. 查找系统字体
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system_font = self._find_system_font(font_family, font_weight)
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if system_font:
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return system_font
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# 4. 返回None（使用默认字体）
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return None
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def _find_bundled_font(self, font_family: str, font_weight: int) -> Optional[str]:
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"""查找预置字体"""
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if not self.bundled_fonts_dir.exists():
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return None
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bundled_fonts = self.get_bundled_fonts()
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# 查找匹配的字体
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for font_info in bundled_fonts:
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if font_info.get('family') == font_family:
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font_dir = self.bundled_fonts_dir / font_info.get('path', '')
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# 根据font_weight选择变体
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variant = self._get_variant_for_weight(font_weight)
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# 查找字体文件（支持TTF和OTF格式）
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for ext in [".ttf", ".otf"]:
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variant_file = font_dir / f"{variant}{ext}"
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if variant_file.exists():
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return str(variant_file)
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# 如果找不到指定变体，尝试查找Regular
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for ext in [".ttf", ".otf"]:
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regular_file = font_dir / f"Regular{ext}"
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if regular_file.exists():
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return str(regular_file)
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return None
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def _find_ziti_font(self, font_family: str, font_weight: int) -> Optional[str]:
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"""查找ziti目录字体（支持模糊匹配和名称映射）"""
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if not font_family:
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return None
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ziti_fonts = self.scan_ziti_fonts()
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if not ziti_fonts:
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logger.debug(f"ziti目录中没有字体文件，无法查找: {font_family}")
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return None
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# 字体名称映射表（与前端保持一致）
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# 映射：显示名称/别名 -> 文件名（不包含扩展名）
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font_name_map = {
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'Dymon手写体': 'Dymon-ShouXieTi',
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'Dymon-ShouXieTi': 'Dymon-ShouXieTi',
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'猫啃杂糅体': 'MaokenAssortedSans',
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'MaokenAssortedSans': 'MaokenAssortedSans',
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'猫啃杂糅体 Lite': 'MaokenAssortedSans-Lite',
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'MaokenAssortedSans-Lite': 'MaokenAssortedSans-Lite',
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'Murecho 黑体': 'Murecho-Black',
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'Murecho-Black': 'Murecho-Black',
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'Murecho 粗体': 'Murecho-Bold',
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'Murecho-Bold': 'Murecho-Bold',
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'墨趣古风体': '墨趣古风体',
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'平方张亚玲黑方体': '平方张亚玲黑方体',
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'胡晓波骚包体': '胡晓波骚包体2.0',
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'胡晓波骚包体2.0': '胡晓波骚包体2.0',
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}
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# 标准化字体名称（移除空格、统一大小写）
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def normalize_name(name: str) -> str:
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return name.replace(' ', '').replace('-', '').replace('_', '').lower()
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# 尝试通过映射表转换字体名称
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mapped_font_family = font_name_map.get(font_family, font_family)
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normalized_target = normalize_name(mapped_font_family)
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logger.debug(f"查找ziti字体: '{font_family}' -> 映射: '{mapped_font_family}' -> 标准化: '{normalized_target}', 权重: {font_weight}")
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# 查找匹配的字体
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best_match = None
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min_weight_diff = float('inf')
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for font_info in ziti_fonts:
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family = font_info.get('family', '')
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display_name = font_info.get('display_name', '')
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path = font_info.get('path', '')
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# 获取文件名（不含扩展名）用于匹配
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file_stem = None
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if path:
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from pathlib import Path
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file_stem = Path(path).stem
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# 多种匹配方式：精确匹配、模糊匹配、文件名匹配
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is_match = False
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match_type = None
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# 1. 精确匹配
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if family == font_family or family == mapped_font_family:
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is_match = True
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match_type = f"精确匹配(family={family})"
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elif display_name == font_family or display_name == mapped_font_family:
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is_match = True
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match_type = f"精确匹配(display_name={display_name})"
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# 2. 模糊匹配（忽略大小写和空格）
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elif normalize_name(family) == normalized_target:
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is_match = True
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match_type = f"模糊匹配(family={family})"
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elif normalize_name(display_name) == normalized_target:
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is_match = True
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match_type = f"模糊匹配(display_name={display_name})"
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# 3. 文件名匹配
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elif file_stem and normalize_name(file_stem) == normalized_target:
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is_match = True
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match_type = f"文件名匹配(file_stem={file_stem})"
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if is_match:
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font_weight_info = font_info.get('weight', 400)
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weight_diff = abs(font_weight_info - font_weight)
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logger.debug(f"找到匹配字体: {match_type}, 路径: {path}, 权重: {font_weight_info}, 权重差: {weight_diff}")
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# 找到权重最接近的字体
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if weight_diff < min_weight_diff:
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min_weight_diff = weight_diff
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best_match = path
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if best_match:
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logger.info(f"找到ziti字体 '{font_family}': {best_match}")
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else:
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logger.warning(f"未找到ziti字体 '{font_family}'，已扫描{len(ziti_fonts)}个字体文件")
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return best_match
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def _find_system_font(self, font_family: str, font_weight: int) -> Optional[str]:
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"""查找系统字体"""
|
||
system_fonts = self.scan_system_fonts()
|
||
|
||
# 查找匹配的字体
|
||
for font_info in system_fonts:
|
||
if font_info.get('family') == font_family:
|
||
font_weight_info = font_info.get('weight', 400)
|
||
|
||
# 如果权重匹配（或接近），返回字体路径
|
||
if abs(font_weight_info - font_weight) <= 100:
|
||
return font_info.get('path')
|
||
|
||
return None
|
||
|
||
def _get_variant_for_weight(self, font_weight: int) -> str:
|
||
"""根据字体权重获取变体名称"""
|
||
if font_weight >= 700:
|
||
return "Bold"
|
||
elif font_weight >= 600:
|
||
return "SemiBold"
|
||
elif font_weight >= 500:
|
||
return "Medium"
|
||
else:
|
||
return "Regular"
|
||
|
||
def get_all_available_fonts(self) -> List[Dict]:
|
||
"""获取所有可用字体（合并预置、ziti和系统字体）"""
|
||
all_fonts = []
|
||
|
||
# 添加预置字体
|
||
bundled_fonts = self.get_bundled_fonts()
|
||
for font_info in bundled_fonts:
|
||
all_fonts.append({
|
||
'value': font_info.get('family'),
|
||
'label': font_info.get('display_name', font_info.get('family')),
|
||
'source': 'bundled',
|
||
'category': font_info.get('category', 'sans-serif'),
|
||
'languages': font_info.get('languages', [])
|
||
})
|
||
|
||
# 添加ziti目录字体
|
||
ziti_fonts = self.scan_ziti_fonts()
|
||
seen_families = {f.get('family') for f in bundled_fonts}
|
||
|
||
for font_info in ziti_fonts:
|
||
family = font_info.get('family')
|
||
if family not in seen_families:
|
||
all_fonts.append({
|
||
'value': family,
|
||
'label': font_info.get('display_name', family),
|
||
'source': 'ziti',
|
||
'category': font_info.get('category', 'sans-serif'),
|
||
'languages': font_info.get('languages', []),
|
||
'path': font_info.get('path')
|
||
})
|
||
seen_families.add(family)
|
||
|
||
# 添加系统字体（去重）
|
||
system_fonts = self.scan_system_fonts()
|
||
|
||
for font_info in system_fonts:
|
||
family = font_info.get('family')
|
||
if family not in seen_families:
|
||
all_fonts.append({
|
||
'value': family,
|
||
'label': font_info.get('display_name', family),
|
||
'source': 'system',
|
||
'category': 'sans-serif',
|
||
'languages': []
|
||
})
|
||
seen_families.add(family)
|
||
|
||
return all_fonts
|
||
|
||
|
||
# 全局字体管理器实例
|
||
_font_manager: Optional[FontManager] = None
|
||
|
||
|
||
def get_font_manager() -> FontManager:
|
||
"""获取全局字体管理器实例"""
|
||
global _font_manager
|
||
if _font_manager is None:
|
||
_font_manager = FontManager()
|
||
return _font_manager
|
||
|