Objective-C: convert UIImage to greyscale

Objective-C: resize UIImage proportional

Objective-C: save image in home directory

 

Objective-C: load/create UIImage from URL and resize

Objective-C: create UIImage from URL

Objective-C: UIImage rounded corner examples

 

Objective-C: crop image

Objective-C: resize and mask an image

 

Monkey: asteroids game example