xcode 将 UITable 中 UITableViewCell 子视图中对象的 CGRect 转换为相对于 self.view 的 CGRect
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Converting a CGRect of a object in a subview in UITableViewCell in UITable to CGRect with respect to self.view
提问by David Gao
I want to convert a CGRect"aRect" of a object in a subview in UITableViewCellin UITableViewto CGRectwith respect to self.view.
我想转换CGRect一个对象的“aRect”在子视图中UITableViewCell在UITableView以CGRect相对于self.view。
The problem is that aRect is with respect to the subview in the table cell.
But i want to make it so that it is with respect to self.view.
问题是 aRect 与表格单元格中的子视图有关。但我想让它与self.view.
What i tried is this
我试过的是这个
rect = [self.view convertRect:aRect.frame toView:cellView];
but it doesn't work.
但它不起作用。
So how to convert it?
那么如何转换呢？
回答by Evadne Wu
Since convertRect:toView:actually deals with a CGRectin the receiver's coordinate system,maybe [cellView convertRect:theFrame toView:self.view](i.e. swapping the two views in your call) will work as you intended.
因为convertRect:toView:实际上涉及一个CGRect接收器的坐标系中，也许[cellView convertRect:theFrame toView:self.view]（即交换在呼叫的两个视图）将按照您预期。
