RETableViewManager/RETableViewManagerExample/Pods/SDWebImage/SDWebImage/SDWebImageCompat.m

//
//  SDWebImageCompat.m
//  SDWebImage
//
//  Created by Olivier Poitrey on 11/12/12.
//  Copyright (c) 2012 Dailymotion. All rights reserved.
//

#import "SDWebImageCompat.h"

#if !__has_feature(objc_arc)
#error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag
#endif

UIImage *SDScaledImageForPath(NSString *path, NSObject *imageOrData)
{
    if (!imageOrData)
    {
        return nil;
    }

    UIImage *image = nil;
    if ([imageOrData isKindOfClass:[NSData class]])
    {
        image = [[UIImage alloc] initWithData:(NSData *)imageOrData];
    }
    else if ([imageOrData isKindOfClass:[UIImage class]])
    {
        image = (UIImage *)imageOrData;
    }
    else
    {
        return nil;
    }

    if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
    {
        CGFloat scale = 1.0;
        if (path.length >= 8)
        {
            // Search @2x. at the end of the string, before a 3 to 4 extension length (only if key len is 8 or more @2x. + 4 len ext)
            NSRange range = [path rangeOfString:@"@2x." options:0 range:NSMakeRange(path.length - 8, 5)];
            if (range.location != NSNotFound)
            {
                scale = 2.0;
            }
        }

        UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
        image = scaledImage;
    }

    return image;
}