How to change the color of an UIImage

Question

I want not to change the backgroundColor of an UIImage,
but rather to change the color of the whole image.

Because I have got standard forms which I can move fr

Answer 1

The accepted answer is correct, but there is a much more easy way for UIImageView:

Obj-C:

UIImage *image = [UIImage imageNamed:@"foo.png"];
theImageView.image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
[theImageView setTintColor:[UIColor redColor]];

Swift 2:

let theImageView = UIImageView(image: UIImage(named:"foo")!.imageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate))
theImageView.tintColor = UIColor.redColor()

Swift 3:

let theImageView = UIImageView(image: UIImage(named:"foo")!.withRenderingMode(.alwaysTemplate))
theImageView.tintColor = UIColor.red