How to use

getFont

method

in

javax.swing.table.DefaultTableCellRenderer

public Font getFont() {
 if (!overrideGetFont) {
  return super.getFont();
 }
 if (deriveNewFont) {
  Font oldFont = super.getFont();
  int fontSize = customFont.getSize();
  if (castToFloat) {
   return oldFont.deriveFont((float) fontSize);
  } else {
   // Here's the problem I tripped over...
   return oldFont.deriveFont(fontSize);
  }
 } else {
  return customFont;
 }
}

 public Component getTableCellRendererComponent(JTable table,
                         Object value, boolean isSelected, boolean hasFocus,
                         int row, int column) {
  super.getTableCellRendererComponent(table, value,
      isSelected, hasFocus, row, column);
  if (!overrideGetFont) {
   if (deriveNewFont) {
    Font oldFont = super.getFont();
    int fontSize = customFont.getSize();
    Font newFont = null;
    if (castToFloat) {
     newFont = oldFont.deriveFont((float) fontSize);
    } else {
     // Here's the problem I tripped over...
     newFont = oldFont.deriveFont(fontSize);
    }
    setFont(newFont);
   } else {
    setFont(customFont);
   }
  }
  return this;
 }
}

 DefaultTableCellRenderer newRenderer = new DefaultTableCellRenderer();
Font oldFont = newRenderer.getFont();
Font bigFont = new Font(oldFont.getName(),oldFont.getStyle(),24);
newRenderer.setFont(bigFont);
table.setDefaultRenderer(Object.class,newRenderer);

 DefaultTableCellRenderer header = new DefaultTableCellRenderer();
header.setFont(header.getFont().deriveFont(Font.BOLD));
JTable table = new JTable();
TableColumnModel model = table.getColumnModel();
model.getColumn(0).setHeaderRenderer(header);

FontMetrics fm = table.getFontMetrics( renderer.getFont() );

setBackground(adaptee.getBackground());
setBorder(adaptee.getBorder());
setFont(adaptee.getFont());
setText(adaptee.getText());

@Override
public Component getTableCellRendererComponent(final JTable table, final Object obj, final boolean isSelected,
  final boolean hasFocus, final int row, final int column) {
 // set the colors, etc. using the standard for that platform
 adaptee.getTableCellRendererComponent(table, obj, isSelected, hasFocus, row, column);
 setForeground(adaptee.getForeground());
 setBackground(adaptee.getBackground());
 setBorder(adaptee.getBorder());
 setFont(adaptee.getFont());
 setText(adaptee.getText());
 // This line was very important to get it working with JDK1.4
 final TableColumnModel columnModel = table.getColumnModel();
 setSize(columnModel.getColumn(column).getWidth(), 100000);
 int heightWanted = (int) getPreferredSize().getHeight();
 addSize(table, row, column, heightWanted);
 heightWanted = findTotalMaximumRowSize(table, row);
 if (heightWanted != table.getRowHeight(row)) {
  table.setRowHeight(row, heightWanted);
 }
 return this;
}