Size of image in UIImageView

UIImageView+ImageSize.h

@interface UIImageView (ImageSize)

- (CGSize)imageSize;

@end

UIImageView+ImageSize.m

#import "UIImageView+ImageSize.h"

@implementation UIImageView (ImageSize)

- (CGSize)imageSize {
  CGSize imageSize = self.image.size;
  
  CGSize imageViewSize = self.frame.size;
  float widthScale = 1.0f;
  float heightScale = 1.0f;
  
  widthScale = imageViewSize.width / imageSize.width;
  heightScale = imageViewSize.height / imageSize.height;
  
  float scale = MIN(widthScale, heightScale);
  imageSize.width *= scale;
  imageSize.height *= scale;
  
  return imageSize;
}

@end