如何获取uiimage的高度和宽度? [英] How can I get the height and width of an uiimage?

问题描述

从URL 邮件

我正在将图像添加到邮件视图.它将显示完整图像.但是我要计算，按比例更改图像的高度和宽度.

I'm adding image to mail view. It will show full image. But I want to calculate, proportionally change the height and width of the image.

如何获取 UIImage 的高度和宽度?

How can I get the height and width of UIImage?

推荐答案

let heightInPoints = image.size.height
let heightInPixels = heightInPoints * image.scale

let widthInPoints = image.size.width
let widthInPixels = widthInPoints * image.scale

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