@Override
		public Component getTableCellRendererComponent(GTableCellRenderingData data) {

			JLabel renderer = (JLabel) super.getTableCellRendererComponent(data);

			int ordinal = getValueOrdinal(data);
			renderer.setHorizontalAlignment(SwingConstants.CENTER);
			renderer.setText("");
			renderer.setIcon(icons[ordinal]);
			renderer.setToolTipText(toolTipStrings[ordinal]);
			return renderer;
		}
Table column renderer to render a boolean value as an icon
Ghidra/Features/PDB/src/main/java/pdb/symbolserver/ui/SymbolFileTableModel.java