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Merge pull request #2691 from zhongwuzw/fix_apng_property_crash 

Fixes crash for apng coder when properties are nil
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DreamPiggy 2019-04-10 17:45:18 +08:00 committed by GitHub
parent 959a1618cb 0990af52a0
commit 3540961abc
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1 changed files with 3 additions and 0 deletions
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SDWebImage/SDImageAPNGCoder.m
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@ -153,6 +153,9 @@ const CFStringRef kCGImagePropertyAPNGUnclampedDelayTime = (__bridge CFStringRef
- (float)sd_frameDurationAtIndex:(NSUInteger)index source:(CGImageSourceRef)source {
float frameDuration = 0.1f;
CFDictionaryRef cfFrameProperties = CGImageSourceCopyPropertiesAtIndex(source, index, nil);
if (!cfFrameProperties) {
return frameDuration;
}
NSDictionary *frameProperties = (__bridge NSDictionary *)cfFrameProperties;
NSDictionary *pngProperties = frameProperties[(NSString *)kCGImagePropertyPNGDictionary];