iOS/WAStickersThirdParty/YYImageCoder.m [875:881]:
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        CGImageAlphaInfo alphaInfo = CGImageGetAlphaInfo(imageRef) & kCGBitmapAlphaInfoMask;
        BOOL hasAlpha = NO;
        if (alphaInfo == kCGImageAlphaPremultipliedLast ||
            alphaInfo == kCGImageAlphaPremultipliedFirst ||
            alphaInfo == kCGImageAlphaLast ||
            alphaInfo == kCGImageAlphaFirst) {
            hasAlpha = YES;
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iOS/WAStickersThirdParty/YYImageCoder.m [2836:2842]:
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            CGImageAlphaInfo alphaInfo = CGImageGetAlphaInfo(imageRef) & kCGBitmapAlphaInfoMask;
            BOOL hasAlpha = NO;
            if (alphaInfo == kCGImageAlphaPremultipliedLast ||
                alphaInfo == kCGImageAlphaPremultipliedFirst ||
                alphaInfo == kCGImageAlphaLast ||
                alphaInfo == kCGImageAlphaFirst) {
                hasAlpha = YES;
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