优化字体加载以消除启动时的磁盘I/O操作 (Optimize font loading to eliminate disk I/O on startup) #20
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问题描述 (Problem Description)
应用程序启动速度过慢,经分析发现是由于每次启动时都需要进行字体文件的磁盘I/O操作造成的。
The application had slow startup times due to unnecessary disk I/O operations during font loading on every application launch.
根本原因 (Root Cause)
在
main.py的init_font()方法中,字体加载过程包含以下步骤:":/fonts/font.ttf")font.ttf)这个过程在每次启动时都会执行不必要的磁盘写入操作,导致启动延迟。
解决方案 (Solution)
通过以下优化消除了磁盘I/O瓶颈:
优化前 (Before):
优化后 (After):
性能提升 (Performance Improvements)
技术变更 (Technical Changes)
init_font()方法使用QFontDatabase.addApplicationFontFromData()进行内存加载.gitignore中添加font.ttf防止意外提交临时文件该优化直接解决了"最新版点名器启动速度过慢"的问题,通过消除字体加载过程中的磁盘I/O瓶颈来提升用户体验。
Fixes #19.
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