56 lines
1.7 KiB
Objective-C
56 lines
1.7 KiB
Objective-C
/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import "SDWebImageCompat.h"
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#if !__has_feature(objc_arc)
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#error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag
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#endif
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inline UIImage *SDScaledImageForKey(NSString * _Nullable key, UIImage * _Nullable image) {
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if (!image) {
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return nil;
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}
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if ((image.images).count > 0) {
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NSMutableArray<UIImage *> *scaledImages = [NSMutableArray array];
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for (UIImage *tempImage in image.images) {
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[scaledImages addObject:SDScaledImageForKey(key, tempImage)];
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}
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return [UIImage animatedImageWithImages:scaledImages duration:image.duration];
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}
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else {
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#if TARGET_OS_WATCH
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if ([[WKInterfaceDevice currentDevice] respondsToSelector:@selector(screenScale)]) {
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#else
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if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) {
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#endif
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CGFloat scale = 1;
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if (key.length >= 8) {
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NSRange range = [key rangeOfString:@"@2x."];
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if (range.location != NSNotFound) {
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scale = 2.0;
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}
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range = [key rangeOfString:@"@3x."];
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if (range.location != NSNotFound) {
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scale = 3.0;
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}
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}
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UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
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image = scaledImage;
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}
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return image;
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}
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}
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NSString *const SDWebImageErrorDomain = @"SDWebImageErrorDomain";
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