SDWebImageCompat.m
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/*
* This file is part of the SDWebImage package.
* (c) Olivier Poitrey <rs@dailymotion.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#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 * _Nullable key, UIImage * _Nullable image) {
if (!image) {
return nil;
}
#if SD_MAC
return image;
#elif SD_UIKIT || SD_WATCH
if ((image.images).count > 0) {
NSMutableArray<UIImage *> *scaledImages = [NSMutableArray array];
for (UIImage *tempImage in image.images) {
[scaledImages addObject:SDScaledImageForKey(key, tempImage)];
}
return [UIImage animatedImageWithImages:scaledImages duration:image.duration];
}
else {
#if SD_WATCH
if ([[WKInterfaceDevice currentDevice] respondsToSelector:@selector(screenScale)]) {
#elif SD_UIKIT
if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) {
#endif
CGFloat scale = 1;
if (key.length >= 8) {
NSRange range = [key rangeOfString:@"@2x."];
if (range.location != NSNotFound) {
scale = 2.0;
}
range = [key rangeOfString:@"@3x."];
if (range.location != NSNotFound) {
scale = 3.0;
}
}
UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
image = scaledImage;
}
return image;
}
#endif
}
NSString *const SDWebImageErrorDomain = @"SDWebImageErrorDomain";