private static final Image createCloseImage(Display display, Color bg, Color fg) {
int size = 11, off = 1;
Image image = new Image(display, size, size);
GC gc = new GC(image);
gc.setBackground(bg);
gc.fillRectangle(image.getBounds());
gc.setForeground(fg);
gc.drawLine(0 + off, 0 + off, size - 1 - off, size - 1 - off);
gc.drawLine(1 + off, 0 + off, size - 1 - off, size - 2 - off);
gc.drawLine(0 + off, 1 + off, size - 2 - off, size - 1 - off);
gc.drawLine(size - 1 - off, 0 + off, 0 + off, size - 1 - off);