THotPDF.LoadedFontDecoderCacheMaxBytes
定义当前已加载文档中，已解析的字体解码器所占用的估算内存上限
声明
property LoadedFontDecoderCacheMaxBytes: Int64
read GetLoadedFontDecoderCacheMaxBytes
write SetLoadedFontDecoderCacheMaxBytes;行为
- 默认预算为 33554432 字节，缓存最多保留 128 个条目
- Reducing the budget evicts least recently used entries immediately
- 预算设为零会停止保留，解码器请求仍可正常工作
- 负值会被规范化为零
- Loading another document clears retained decoders and resets statistics