@Override
 public Insets getBorderInsets(Component c) {
   if (DarculaButtonUI.isSquare(c)) {
     return JBUI.insets(2, 0, 2, 0).asUIResource();
   }
   return JBUI.insets(8, 16, 8, 14).asUIResource();
 }
  @Override
  public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
    final Graphics2D g2d = (Graphics2D) g;
    final Insets ins = getBorderInsets(c);
    final int yOff = (ins.top + ins.bottom) / 4;
    final boolean square = DarculaButtonUI.isSquare(c);
    int offset = JBUI.scale(square ? 1 : getOffset());
    if (c.hasFocus()) {
      DarculaUIUtil.paintFocusRing(g2d, offset, yOff, width - 2 * offset, height - 2 * yOff);
    } else {
      final GraphicsConfig config = new GraphicsConfig(g);
      g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
      g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_DEFAULT);
      g2d.setPaint(
          UIUtil.getGradientPaint(
              width / 2,
              y + yOff + 1,
              Gray._80.withAlpha(90),
              width / 2,
              height - 2 * yOff,
              Gray._90.withAlpha(90)));
      // g.drawRoundRect(x + offset + 1, y + yOff + 1, width - 2 * offset, height - 2*yOff, 5, 5);

      ((Graphics2D) g).setPaint(Gray._100.withAlpha(180));
      g.drawRoundRect(
          x + offset,
          y + yOff,
          width - 2 * offset,
          height - 2 * yOff,
          JBUI.scale(square ? 3 : 5),
          JBUI.scale(square ? 3 : 5));

      config.restore();
    }
  }