TUPCEANReader
Attempts to decode a single UPC/EAN-encoded digit.
class function decodeDigit(const row: IBitArray; const counters: TArray<Integer>; const rowOffset: Integer; const patterns: TArray<TArray<Integer>>; var digit: Integer): Boolean
Parameters
- row
- Type: ZXing.Common.BitArray.IBitArray
row of black/white values to decode
- counters
- Type: TArray<Integer>
the counts of runs of observed black/white/black/... values
- rowOffset
- Type: System.Integer
horizontal offset to start decoding from
- patterns
- Type: TArray<TArray<Integer>>
the set of patterns to use to decode -- sometimes different encodings
- digit
- Type: System.Integer
Return Value
Type: System.Boolean
horizontal offset of first pixel beyond the decoded digit