createPath method

@override Path createPath(Offset offset, double size, Neighbors neighbors)

Implementation

@override
Path createPath(Offset offset, double size, Neighbors neighbors) {
  Path path = Path();
  double corner = cornerFraction.coerceIn(0, .5) * size;

  if (!neighbors.hasAny()) {
    path.addRRect(RRect.fromLTRBR(
        offset.dx, offset.dy, offset.dx + size, offset.dy + size, Radius.circular(corner)));
  } else {
    double topLeft = 0;
    double topRight = 0;
    double bottomLeft = 0;
    double bottomRight = 0;

    if (!neighbors.top && !neighbors.left) {
      topLeft = corner;
    }
    if (!neighbors.top && !neighbors.right) {
      topRight = corner;
    }
    if (!neighbors.bottom && !neighbors.left) {
      bottomLeft = corner;
    }
    if (!neighbors.bottom && !neighbors.right) {
      bottomRight = corner;
    }

    path.addRRect(RRect.fromLTRBAndCorners(
      offset.dx,
      offset.dy,
      offset.dx + size,
      offset.dy + size,
      topLeft: Radius.circular(topLeft),
      topRight: Radius.circular(topRight),
      bottomLeft: Radius.circular(bottomLeft),
      bottomRight: Radius.circular(bottomRight),
    ));
  }

  return path;
}