CGRectContainsRect(<#CGRect rect1#>, <#CGRect rect2#>) CGRectContainsPoint(<#CGRect rect#>, <#CGPoint point#>) CGRectIntersectsRect(<#CGRect rect1#>, <#CGRect rect2#>)
- (CGPoint)convertPoint:(CGPoint)point toView:(nullable UIView *)view; - (CGPoint)convertPoint:(CGPoint)point fromView:(nullable UIView *)view; // 后面就具体使用下面的代码举例,下面的会了,上面的自然也就会了 - (CGRect)convertRect:(CGRect)rect toView:(nullable UIView *)view; - (CGRect)convertRect:(CGRect)rect fromView:(nullable UIView *)view;
CGRect newRect = [self.view convertRect:self.blueView.frame fromView:self.redView];
CGRect newRect = [self.blueView convertRect:CGRectMake(50, 50, 100, 100) toView:self.greenView];
CGRect newRect = [self.blueView convertRect:CGRectMake(50, 50, 100, 100) toView:nil];
CGRect newRect = [self.blueView convertRect:self.blueView.bounds toView:nil];
CGRect newRect = [self.redView convertRect:self.blueView.frame toView:nil];
CGRect newRect = [self.view.window convertRect:self.blueView.bounds fromView:self.blueView];
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