UIViewContentModeScaleAspectFit 和 UIViewContentModeScaleToFill 的区别?

Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?(UIViewContentModeScaleAspectFit 和 UIViewContentModeScaleToFill 的区别?)

问题描述

UIViewContentModeScaleAspectFit和UIViewContentModeScaleToFill有什么区别...?

推荐答案

如果说的是UIViewContentMode，以下来自文档.

If you are talking about UIViewContentMode, the following is from the Doc.

UIViewContentModeScaleToFill

如有必要，通过更改内容的纵横比来缩放内容以适应自身的大小.

Scales the content to fit the size of itself by changing the aspect ratio of the content if necessary.

UIViewContentModeScaleAspectFit

通过保持纵横比缩放内容以适应视图的大小.视图边界的任何剩余区域都是透明的.

Scales the content to fit the size of the view by maintaining the aspect ratio. Any remaining area of the view’s bounds is transparent.

UIViewContentModeScaleAspectFill

缩放内容以填充视图的大小.部分内容可能会被剪裁以填充视图的边界.

Scales the content to fill the size of the view. Some portion of the content may be clipped to fill the view’s bounds.

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