如何在 Swift 中确定窗口坐标系中的点是否在视图内
[英]How to determine if a point in the window's coordinate system is within a view, in Swift
问题描述
给定窗口坐标系中的一个点，如何确定该点是否在视图的边界内？
1 个解决方案
解决方案1
1 2017-02-09 20:25:20
the answer is to use:
答案是使用：
let pointRelativeToView = view.convert(pointRelativeToWindow, nil)
let pointIsInWindow = view.frame.contains(pointRelativeToView)
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