Image (UI) rotation or Image Source rotation. Which one is better?

we are developing an application where we need to show the ID cards. One page we have to show the ID card in landscape mode and other page we have to show the ID card in Portrait mode.

Which one of below approach is better?

1. Rotate the ImageSource of Image (Some processing of rotate) and assign the Imagesource to Image (UI)

2. Assign the ImageSource and rotate the image view (UI)