parseHeader method

NetpbmHeader parseHeader(
  1. T input
)

Parses the header information from the Netpbm image.

If the header is invalid or missing, a FormatException is thrown.

Implementation

NetpbmHeader parseHeader(T input) {
  final (header, error, offset) = _parseHeader(input);
  if (header == null) {
    throw FormatException(error, input);
  }
  return header;
}