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#import "UIButton+VerticalLayout.h"

@implementation UIButton (VerticalLayout)  

- (void)centerVerticallyWithPadding:(float)padding 
{      
    CGSize imageSize = self.imageView.frame.size;  
    CGSize titleSize = self.titleLabel.frame.size;  

    CGFloat totalHeight = (imageSize.height + titleSize.height + padding);  

    self.imageEdgeInsets = UIEdgeInsetsMake(- (totalHeight - imageSize.height),
                                            0.0f,
                                            0.0f,
                                            - titleSize.width);

    self.titleEdgeInsets = UIEdgeInsetsMake(0.0f,
                                            - imageSize.width,
                                            - (totalHeight - titleSize.height),
                                            0.0f);
   
}


- (void)centerVertically
{  
    const CGFloat kDefaultPadding = 6.0f;
    
    [self centerVerticallyWithPadding:kDefaultPadding];  
}  


@end

@interface UIButton (VerticalLayout)  

- (void)centerVerticallyWithPadding:(float)padding;  
- (void)centerVertically;  

@end