getTotalPageSize method

double? getTotalPageSize(
  1. int pageNumber
)

Implementation

double? getTotalPageSize(int pageNumber) {
  var pages = _state?._pages ?? [];
  if (pages.isEmpty) {
    return null;
  }

  double total = 0;

  for (var page in pages) {
    total += page.pageSize.height;
  }

  return total;
}