function createRoundedRectPath(x, y, width, height, radius) {
  return (
    // Move to position, offset by radius in x direction
    "M" +(x + radius) + "," + y
    // Draw a horizontal line to the top right curve start
    + "h" + (width - 2 * radius)
    // Draw the top right corner curve
    + "a" + radius + "," + radius + " 0 0 1 " + radius + "," + radius
    // Draw a vertical line to the bottom right corner
    + "v" + (height - 2 * radius)
    // Draw the bottom right corner curve
    + "a" + radius + "," + radius + " 0 0 1 " + -radius + "," + radius
    // Draw a horizontal line to the bottom left corner
    + "h" + (2 * radius - width)
    // Draw the bottom left corner
    + "a" + -radius + "," + -radius + " 0 0 1 " + -radius + "," + -radius
    // Draw a vertical line to the top left corner
    + "v" + (2 * radius - height)
    // Draw the top left corner
    + "a" + radius + "," + -radius + " 0 0 1 " + radius + "," + -radius
    // Close the shape
    + "z"
  );
}