alternative_button_intrinsic_content_size.m

[self.titleLabel sizeToFit];
    
CGFloat titleLabelWidth = CGRectGetWidth(self.titleLabel.frame) + margin * 2; // margin from both sides.
CGFloat imageViewWidth = CGRectGetWidth(self.imageView.frame) + margin * 2; // margin from both sides.
    
CGFloat height = CGRectGetHeight(self.imageView.frame) + CGRectGetHeight(self.titleLabel.frame) + margin * 3; // margin from top and bottom and distance between `imageView` and `titleLabel`.
    
return CGSizeMake(MAX(titleLabelWidth, imageViewWidth), height);