- 將像素point由point所在視圖轉換到目標視圖view中,返回在目標視圖view中的像素值
- (CGPoint)convertPoint:(CGPoint)point toView:(UIView *)view;
- 將像素point從view中轉換到當前視圖中,返回在當前視圖中的像素值
- (CGPoint)convertPoint:(CGPoint)point fromView:(UIView *)view;
- 將rect由rect所在視圖轉換到目標視圖view中,返回在目標視圖view中的rect
- (CGRect)convertRect:(CGRect)rect toView:(UIView *)view;
- 將rect從view中轉換到當前視圖中,返回在當前視圖中的rect
- (CGRect)convertRect:(CGRect)rect fromView:(UIView *)view;