93 const std::string &hash_);
99 operator std::string()
const;
102 PixelChannel channel(
void)
const;
105 bool isValid()
const;
108 double sumSquaredDifferences(
112 double srgbHuPhash(
const size_t index_)
const;
115 double hclpHuPhash(
const size_t index_)
const;
122 const MagickCore::ChannelPerceptualHash *channelPerceptualHash_);
125 PixelChannel _channel;
126 std::vector<double> _srgbHuPhash;
127 std::vector<double> _hclpHuPhash;