readBytes method
Implementation
Uint8List readBytes(int numBytes) {
if ((_offset! + numBytes) <= fileLength!) {
int oldOffset = _offset!;
_offset = numBytes + 1;
pad();
return Uint8List.fromList(
data.getRange(oldOffset, oldOffset + numBytes).toList());
} else
throw RangeError("Reached end of file");
}