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我认为抗锯齿仅在绘制圆形时才有用。它只会在绘制水平线或垂直线时变慢。所以,当我做 drawLine(...) 时,我不使用paint.setAntiAlias。我是对还是错?
如果你不旋转这条线,那么 in 就没有用了setAntiAlias。
setAntiAlias