ImwritePNGFlags

Objective-C

NS_ENUM(int, ImwritePNGFlags) {
    IMWRITE_PNG_STRATEGY_DEFAULT = 0,
    IMWRITE_PNG_STRATEGY_FILTERED = 1,
    IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY = 2,
    IMWRITE_PNG_STRATEGY_RLE = 3,
    IMWRITE_PNG_STRATEGY_FIXED = 4
}

Swift

enum ImwritePNGFlags : Int32