SDWebImageCompat.m
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//
// 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;
}