Center image in image view if smaller than image view otherwise proportionally scale

gistfile1.m

@interface UIImage (ObjColumnist)

- (void)updateWithSpecialScaling;

@end


@implementation UIImage (ObjColumnist)

- (void)updateWithAdjustedScaling
{
    CGSize imageSize = self.image.size;
    if (imageSize.width > CGRectGetWidth(self.frame) || imageSize.height > CGRectGetHeight(self.frame)) {
        self.contentMode = UIViewContentModeScaleAspectFit;
    } else {
        self.contentMode = UIViewContentModeCenter;
    }
}

@end