objective-c确定图像分辨率

use*_*234 4 macos cocoa cocoa-touch objective-c ios

出于某种原因,我无法弄明白.

UIImage *image = //initialize with some image, etc.
Run Code Online (Sandbox Code Playgroud)

有没有办法获得图像的分辨率?

Phi*_*ert 6

你的意思是宽度/高度?

CGFloat width = image.size.width
CGFloat height = image.size.height
Run Code Online (Sandbox Code Playgroud)