anchor.diff:        }
   
         // Build indices.
  -      _indicies = <int>[];
  +      _indices = <int>[];
         for (int y = 0; y < 3; y += 1) {
           for (int x = 0; x < 3; x += 1) {
             // Check if we should skip the middle rectangle.
  
positive.code:       _textureCoordinates,
        _colors,
        TransferMode.modulate,
        _indicies,
        _cachedPaint
      );
    }
  
negative.code:   List<Point> _vertices;
    List<Point> _textureCoordinates;
    List<Color> _colors;
    List<int> _indices;
  
    @override
    void paint(Canvas canvas) {
  