encode method

Implementation

List<List<bool>> encode(String data) {
  final Uint8List bytes = Uint8List.fromList(data.codeUnits);
  final int version = _pickVersion(bytes.length);
  final _RsParams params = _rsParams(version);
  final List<int> codewords = _buildData(bytes, version, params);
  final List<int> full = _addEcc(codewords, params);
  final int size = _moduleCount(version);
  final List<List<int>> grid = List<List<int>>.generate(
    size,
    (_) => List<int>.filled(size, -1),
  );
  final List<List<bool>> locked = List<List<bool>>.generate(
    size,
    (_) => List<bool>.filled(size, false),
  );
  _drawFunctionPatterns(grid, locked, version);
  _drawCodewords(grid, locked, full);
  final int mask = _bestMask(grid, locked, version);
  _applyMask(grid, locked, mask);
  _drawFormat(grid, locked, mask);
  if (version >= 7) {
    _drawVersion(grid, locked, version);
  }
  return <List<bool>>[
    for (final List<int> row in grid)
      <bool>[for (final int cell in row) cell == 1],
  ];
}