module ZXing; end module ZXing::FFI; end module ZXing::FFI:QRCode; end class ZXing::FFI::QRCode::Detector < ZXing::FFI::Binarizer include ZXing::QRCode::Detector def initialize luminance_source super ZXing::FFI::Library.Detector_new(luminance_source.native), luminance_source end end