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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
inline UIImage *SDScaledImageForKey(NSString *key, UIImage *image) {
if (!image) {
return nil;
}
if ([image.images count] > 0) {
NSMutableArray *scaledImages = [NSMutableArray array];
for (UIImage *tempImage in image.images) {
[scaledImages addObject:SDScaledImageForKey(key, tempImage)];
}
return [UIImage animatedImageWithImages:scaledImages duration:image.duration];
}
else {
if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) {
CGFloat scale = 1.0;
if (key.length >= 8) {
// Search @2x. or @3x. at the end of the string, before a 3 to 4 extension length (only if key len is 8 or more @2x./@3x. + 4 len ext)
NSRange range = [key rangeOfString:@"@2x." options:0 range:NSMakeRange(key.length - 8, 5)];
if (range.location != NSNotFound) {
scale = 2.0;
}
range = [key rangeOfString:@"@3x." options:0 range:NSMakeRange(key.length - 8, 5)];
if (range.location != NSNotFound) {
scale = 3.0;
}
}
UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
image = scaledImage;
}
return image;
}
}
NSString *const SDWebImageErrorDomain = @"SDWebImageErrorDomain";
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