问题描述
我有一个小问题与 nstextview ，当我发送 [textView setWantsLayer：YES] 在textView中变得模糊，任何人知道为什么是这样？
I have a small problem with the nstextview, when I send [textView setWantsLayer:YES], the font in the textView become blurred, anybody know why is it?
[[textView enclosingScrollView] setDrawsBackground:NO];
[textView setDrawsBackground:NO];
[textView setWantsLayer:YES]`
推荐答案
这里的问题很可能与文本混叠，因为背景颜色是透明的，因此导致它对透明背景进行别名，这将是非常糟糕的。
The problem here is likely with aliasing the text because the background color is transparent, thus causing it to alias against a transparent background, which is going to look pretty bad.
，我发现我可以 [textView setWantsLayer：YES] 只要我也 [textView setDrawsBackground：YES] 并设置不透明的背景颜色。
Generally, I've found that I can [textView setWantsLayer: YES] as long as I also [textView setDrawsBackground: YES] and set a background color that is opaque.
祝你好运。
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