// Converts a selection into code used by
// Toolbar.drawButton() to draw a toolbar icon.

  getSelectionBounds(xbase, ybase, width, height);
  getSelectionCoordinates(xpoints, ypoints);
  String.resetBuffer;
  x0 = xpoints[0] - xbase;
  y0 = ypoints[0] - ybase;
  String.append("m("+x0+","+y0+"); ");
  for (i=1; i<xpoints.length; i++) {
     x = xpoints[i] - xbase;
     y = ypoints[i] - ybase;
     String.append("d("+x+","+y+"); ");
  }
  String.append("d("+x0+","+y0+"); ");
  print(String.buffer);