code: @Override
      public void drawRoundRect(int x, int y, int width, int height, 
              int arcWidth, int arcHeight) {
          setRoundRect(x, y, width, height, arcWidth, arcHeight);
          draw(this.roundRect);
      }
docs: Draws a rectangle with rounded corners using the current
  {@code paint} and {@code stroke}.
  
  @param x  the x-coordinate.
  @param y  the y-coordinate.
  @param width  the width.
  @param height  the height.
  @param arcWidth  the arc-width.
  @param arcHeight  the arc-height.
  
  @see #fillRoundRect(int, int, int, int, int, int)