protected void paintRoundedBottomTabBorder( int tabIndex, Graphics g, int x1, int y1, int x2, int y2, boolean isSelected) { Graphics2D g2D = (Graphics2D) g; Object savedRederingHint = g2D.getRenderingHint(RenderingHints.KEY_ANTIALIASING); g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); int d = 2 * GAP; if (isSelected) { g.setColor(AbstractLookAndFeel.getTheme().getFrameColor()); } else { g.setColor(ColorHelper.brighter(AbstractLookAndFeel.getTheme().getFrameColor(), 40)); } g.drawLine(x1 + GAP, y2, x2 - GAP, y2); g.drawArc(x1, y2 - d, d, d, 180, 90); g.drawArc(x2 - d, y2 - d, d, d, -90, 90); g.drawLine(x1, y1, x1, y2 - GAP - 1); g.drawLine(x2, y1, x2, y2 - GAP - 1); g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, savedRederingHint); }