phasset 子类型 rawValue 含义 swift
phasset subtypes rawValue meaning swift
我正在尝试检测 PHAsset 的子类型。
asset.subtypes.rawvalue -> UInt
我找到了子类型 .video (rawValue: 0) 和 photoLive (rawValue: 8) 的含义,但是我有带 HDR 选项的 livePhoto 并且子类型 rawavlue 是 10,我找不到该值的含义。
有人拥有 PHAsset 子类型的所有 rawValue 含义吗?
谢谢
根据 documentation of PHAssetMediaSubtype
:
Media subtypes are bit mask values, so you can combine them using
bitwise operators to test for multiple subtypes.
该定义有助于:
typedef enum PHAssetMediaSubtype : NSUInteger {
PHAssetMediaSubtypeNone = 0,
PHAssetMediaSubtypePhotoPanorama = (1UL << 0),
PHAssetMediaSubtypePhotoHDR = (1UL << 1),
PHAssetMediaSubtypePhotoScreenshot = (1UL << 2),
PHAssetMediaSubtypePhotoLive = (1UL << 3),
PHAssetMediaSubtypePhotoDepthEffect = (1UL << 4),
PHAssetMediaSubtypeVideoStreamed = (1UL << 16),
PHAssetMediaSubtypeVideoHighFrameRate = (1UL << 17),
PHAssetMediaSubtypeVideoTimelapse = (1UL << 18)
} PHAssetMediaSubtype;
所以,如果子类型是 10,那么 10 就是 8+2(唯一可能的 "sub-values"),它就是值 8(.photoLive
)和值 2( .HDR)。
我正在尝试检测 PHAsset 的子类型。
asset.subtypes.rawvalue -> UInt
我找到了子类型 .video (rawValue: 0) 和 photoLive (rawValue: 8) 的含义,但是我有带 HDR 选项的 livePhoto 并且子类型 rawavlue 是 10,我找不到该值的含义。 有人拥有 PHAsset 子类型的所有 rawValue 含义吗? 谢谢
根据 documentation of PHAssetMediaSubtype
:
Media subtypes are bit mask values, so you can combine them using bitwise operators to test for multiple subtypes.
该定义有助于:
typedef enum PHAssetMediaSubtype : NSUInteger {
PHAssetMediaSubtypeNone = 0,
PHAssetMediaSubtypePhotoPanorama = (1UL << 0),
PHAssetMediaSubtypePhotoHDR = (1UL << 1),
PHAssetMediaSubtypePhotoScreenshot = (1UL << 2),
PHAssetMediaSubtypePhotoLive = (1UL << 3),
PHAssetMediaSubtypePhotoDepthEffect = (1UL << 4),
PHAssetMediaSubtypeVideoStreamed = (1UL << 16),
PHAssetMediaSubtypeVideoHighFrameRate = (1UL << 17),
PHAssetMediaSubtypeVideoTimelapse = (1UL << 18)
} PHAssetMediaSubtype;
所以,如果子类型是 10,那么 10 就是 8+2(唯一可能的 "sub-values"),它就是值 8(.photoLive
)和值 2( .HDR)。