private void internalPaintTabBackground(
      Graphics g, int tabPlacement, int tabIndex, int x, int y, int w, int h, boolean isSelected) {
    BufferedImage leftImg = null;
    BufferedImage middleImg = null;
    BufferedImage rightImg = null;

    Graphics2D g2 = (Graphics2D) g;

    AntialiasingManager.activateAntialiasing(g2);

    int tabOverlap = 0;

    if (isSelected) {
      if (tabPane.isEnabledAt(tabIndex)) {
        leftImg = DesktopUtilActivator.getImage(SELECTED_TAB_LEFT_BG);
        middleImg = DesktopUtilActivator.getImage(SELECTED_TAB_MIDDLE_BG);
        rightImg = DesktopUtilActivator.getImage(SELECTED_TAB_RIGHT_BG);

        tabOverlap = TAB_OVERLAP;
      } else {
        leftImg = DesktopUtilActivator.getImage(TAB_LEFT_BG);
        middleImg = DesktopUtilActivator.getImage(TAB_MIDDLE_BG);
        rightImg = DesktopUtilActivator.getImage(TAB_RIGHT_BG);
      }
    } else {
      leftImg = DesktopUtilActivator.getImage(TAB_LEFT_BG);
      middleImg = DesktopUtilActivator.getImage(TAB_MIDDLE_BG);
      rightImg = DesktopUtilActivator.getImage(TAB_RIGHT_BG);
    }

    // Remove the existing gap between the tabs and the panel, which is due
    // to the removal of the tabbed pane border.
    y++;
    // If the current tab is not the selected tab we paint it 2 more pixels
    // to the bottom in order to create the disabled look.
    if (!isSelected) y += 2;

    g2.drawImage(leftImg, x, y, null);
    g2.drawImage(
        middleImg,
        x + leftImg.getWidth(),
        y,
        w - leftImg.getWidth() - rightImg.getWidth() + tabOverlap,
        leftImg.getHeight(),
        null);
    g2.drawImage(rightImg, x + w - rightImg.getWidth() + tabOverlap, y, null);
  }
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  /**
   * Paints this button.
   *
   * @param g the <tt>Graphics</tt> object used for painting
   */
  private void internalPaintComponent(Graphics2D g) {
    AntialiasingManager.activateAntialiasing(g);

    // Paint a roll over fade out.
    FadeTracker fadeTracker = FadeTracker.getInstance();

    float visibility = this.getModel().isRollover() ? 1.0f : 0.0f;
    if (fadeTracker.isTracked(this, FadeKind.ROLLOVER)) {
      visibility = fadeTracker.getFade(this, FadeKind.ROLLOVER);
    }

    visibility /= 2;

    if (visibility != 0.0f) {
      g.setColor(new Color(borderColor[0], borderColor[1], borderColor[2], visibility));

      if (bgImage != null)
        g.fillRoundRect(
            (this.getWidth() - bgImage.getWidth(null)) / 2,
            (this.getHeight() - bgImage.getHeight(null)) / 2,
            bgImage.getWidth(null) - 1,
            bgImage.getHeight(null) - 1,
            20,
            20);
      else g.fillRoundRect(0, 0, this.getWidth() - 1, this.getHeight() - 1, 20, 20);
    }

    if (bgImage != null) {
      g.drawImage(
          bgImage,
          (this.getWidth() - bgImage.getWidth(null)) / 2,
          (this.getHeight() - bgImage.getHeight(null)) / 2,
          null);
    } else {
      g.setColor(getBackground());
      g.fillRoundRect(1, 1, this.getWidth() - 2, this.getHeight() - 2, 20, 20);
    }
  }
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 /**
  * Paints the UI for the given component through the given graphics object.
  *
  * @param g the <tt>Graphics</tt> object used for painting
  * @param c the component to paint
  */
 public void paint(Graphics g, JComponent c) {
   AntialiasingManager.activateAntialiasing(g);
   super.paint(g, c);
 }