redo method

void redo()

Implementation

void redo() {
  if (_redoStackInternal.isNotEmpty) {
    _isRedoing = true;

    final strokeToRedo = _redoStackInternal.removeLast();
    strokesNotifier.addStroke(strokeToRedo);
    _strokeCount = strokesNotifier.strokesCount;
    _updateCanRedo();
    _updateCanUndo();

    _isRedoing = false;
  }
}