解决:
#if __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_6_1
#define kCGImageAlphaPremultipliedLast (kCGBitmapByteOrderDefault |kCGImageAlphaPremultipliedLast)
#else
#define kCGImageAlphaPremultipliedLast kCGImageAlphaPremultipliedLast
#endif
解决:
#if __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_6_1
#define kCGImageAlphaPremultipliedLast (kCGBitmapByteOrderDefault |kCGImageAlphaPremultipliedLast)
#else
#define kCGImageAlphaPremultipliedLast kCGImageAlphaPremultipliedLast
#endif
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