Yingtao Guo

@BlueCobold Thanks for reporting this issue. Can you also post the original image here? Thank you!

@CITPeter Thanks for the report! I will do more tests on it when I get a chance.

Good suggestion! I can add this feature in the next release.

I will think about it. Maybe I just expose some APIs to allow user to add extra controls. 🤔

Check this link https://stackoverflow.com/questions/8235288/perspective-correction-of-uiimage-from-points

Possible steps 1. Rotate UIImageView by CATransform3DMakeRotation 2. Get corner point of rotated UIImageView 3. Use CIPerspectiveTransform to create the new image

@VOTONO When you say `When I change the language in the application`, do you mean you changed the language inside your app or in the `System Settings`? If you did...

@VOTONO Can you provide more details about how you use langCultureCode with Mantis?

Currently, there are a lot of calculations related to scrollview. I am not sure if it is easy to get the correct calculation result if changing the rotation `anchorPoint` based...

Also, I think rotating based on `scrollView` center seems more natural. It looks like the Photo app on iPhone also does the same thing.