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Merge pull request #3038 from dreampiggy/bugfix_embed_thumbnail_max_pixel_size 

Change to use kCGImageSourceCreateThumbnailFromImageAlways to solve the issue when HEIC/JPEG contains an embed thumbnail but its size is much smaller than provided `maxPixelSize`
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DreamPiggy 2020-06-12 16:04:19 +08:00 committed by GitHub
parent f8fa41218d 6a227343a6
commit 6f5f8354fa
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SDWebImage/Core/SDImageIOAnimatedCoder.m
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@ -215,7 +215,7 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
maxPixelSize = MAX(thumbnailSize.width, thumbnailSize.height);
}
decodingOptions[(__bridge NSString *)kCGImageSourceThumbnailMaxPixelSize] = @(maxPixelSize);
decodingOptions[(__bridge NSString *)kCGImageSourceCreateThumbnailFromImageIfAbsent] = @(YES);
decodingOptions[(__bridge NSString *)kCGImageSourceCreateThumbnailFromImageAlways] = @(YES);
imageRef = CGImageSourceCreateThumbnailAtIndex(source, index, (__bridge CFDictionaryRef)decodingOptions);
}
if (!imageRef) {