SWT 2D Graphics Java Tutorial

void drawText(String text,  int x,  int y,  int flags)
Uses the rules specified by flags.
ConstantDescription
SWT.DRAW_DELIMITERProcesses newlines by drawing subsequent characters on the next line.
SWT.DRAW_TABProcesses tabs by displaying a gap between surrounding characters.
SWT.DRAW_MNEMONICDraws an underline beneath the mnemonic character-the character preceded by an ampersand (&). Use this when drawing menus.
SWT.DRAW_TRANSPARENTWith a transparent background:

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class DrawTextUnderLineSWT {
  public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Canvas Example");
    shell.setLayout(new FillLayout());
    Canvas canvas = new Canvas(shell, SWT.NONE);
    canvas.addPaintListener(new PaintListener() {
      public void paintControl(PaintEvent e) {
        e.gc.drawText("www.\n&rntsoft\t.com", 5, 5, SWT.DRAW_MNEMONIC | SWT.DRAW_DELIMITER
            | SWT.DRAW_TAB | SWT.DRAW_TRANSPARENT);
      }
    });
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}