コード例 #1
0
    public static Image createImage(final JTable table, int column) {
      final int height =
          Math.max(20, Math.min(100, table.getSelectedRowCount() * table.getRowHeight()));
      final int width = table.getColumnModel().getColumn(column).getWidth();

      final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
      Graphics2D g2 = (Graphics2D) image.getGraphics();

      g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));

      drawSelection(table, column, g2, width);
      return image;
    }
コード例 #2
0
    public static Image createImage(final JTree tree) {
      final TreeSelectionModel model = tree.getSelectionModel();
      final TreePath[] paths = model.getSelectionPaths();

      int count = 0;
      final List<ChangesBrowserNode> nodes = new ArrayList<ChangesBrowserNode>();
      for (final TreePath path : paths) {
        final ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
        if (!node.isLeaf()) {
          nodes.add(node);
          count += node.getCount();
        }
      }

      for (TreePath path : paths) {
        final ChangesBrowserNode element = (ChangesBrowserNode) path.getLastPathComponent();
        boolean child = false;
        for (final ChangesBrowserNode node : nodes) {
          if (node.isNodeChild(element)) {
            child = true;
            break;
          }
        }

        if (!child) {
          if (element.isLeaf()) count++;
        } else if (!element.isLeaf()) {
          count -= element.getCount();
        }
      }

      final JLabel label = new JLabel(VcsBundle.message("changes.view.dnd.label", count));
      label.setOpaque(true);
      label.setForeground(tree.getForeground());
      label.setBackground(tree.getBackground());
      label.setFont(tree.getFont());
      label.setSize(label.getPreferredSize());
      final BufferedImage image =
          new BufferedImage(label.getWidth(), label.getHeight(), BufferedImage.TYPE_INT_ARGB);

      Graphics2D g2 = (Graphics2D) image.getGraphics();
      g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
      label.paint(g2);
      g2.dispose();

      return image;
    }
コード例 #3
0
  /**
   * Draw the icon at the specified location. Paints this component as an icon.
   *
   * @param c the component which can be used as observer
   * @param g the <tt>Graphics</tt> object used for painting
   * @param x the position on the X coordinate
   * @param y the position on the Y coordinate
   */
  public void paintIcon(Component c, Graphics g, int x, int y) {
    g = g.create();
    try {
      Graphics2D g2 = (Graphics2D) g;
      AntialiasingManager.activateAntialiasing(g2);

      g2.setColor(Color.WHITE);
      g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8f));
      g2.fillRoundRect(x, y, getIconWidth() - 1, getIconHeight() - 1, 10, 10);
      g2.setColor(Color.DARK_GRAY);
      g2.drawRoundRect(x, y, getIconWidth() - 1, getIconHeight() - 1, 10, 10);

      // Indent component content from the border.
      g2.translate(x + 5, y + 5);

      super.paint(g2);

      g2.translate(x, y);
    } finally {
      g.dispose();
    }
  }