请教一个 qt graphicsview 优化问题 - V2EX

请教一个 qt graphicsview 优化问题 - V2EX

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这是一个创建于 1044 天前的主题，其中的信息可能已经有所发展或是发生改变。

场景上有几十万个可交互的 rect 然后缩小的时候哪怕是页面最小化的重绘都会很卡，viewport 换成 opengl 也没啥用处请教大佬们是不是只能优化动态交互的代码了

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1

Corey0606

OP

2023-02-12 14:48:38 +08:00 via iPhone

动态交互主要就是判断 item 是否被选中然后给他赋不同的颜色重绘

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