Jak uzyskać rozmiar (KB) UIImage

Question

Otrzymuję obraz z didFinishPickingMediaWithInfo.

UIImage *originalImage = (UIImage*)[info valueForKey:UIImagePickerControllerOriginalImage]; 

Chcę uzyskać rozmiar obrazu w Kb.

Answer 1

UIImage *originalImage = (UIImage*)[info valueForKey:UIImagePickerControllerOriginalImage]; 
    NSData *imgData = UIImageJPEGRepresentation(originalImage, 1); //1 it represents the quality of the image. 
    NSLog(@"Size of Image(bytes):%d",[imgData length]); 
    imgData = nil;