isValid property

bool get isValid

Implementation

bool get isValid {
  if (method < ALPHA_NO_COMPRESSION ||
      method > ALPHA_LOSSLESS_COMPRESSION ||
      filter >= WebPFilters.FILTER_LAST ||
      preProcessing > ALPHA_PREPROCESSED_LEVELS ||
      rsrv != 0) {
    return false;
  }
  return true;
}