声明处：NSData+ImageContentType.h

定义

typedef NS_ENUM(NSInteger, SDImageFormat ) {
    SDImageFormatUndefined = -1,
    SDImageFormatJPEG = 0,
    SDImageFormatPNG,
    SDImageFormatGIF,
    SDImageFormatTIFF,
    SDImageFormatWebP,
};

常量

• SDImageFormatUndefined
• SDImageFormatJPEG
• SDImageFormatPNG
• SDImageFormatGIF
• SDImageFormatTIFF
• SDImageFormatWebP

// END