Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
放大或缩小视图时，某些实体会放大或缩小（如椭圆、折线……）。但是点和广告牌会保持固定的像素大小。
如何使缩放实体（椭圆图形）保持像素大小？或者做一些转换来实现它？