private void progress() {
if (display()) {
final ImageJ ij = IJ.getInstance();
if (ij != null) { // To avoid exceptions in ImageJ batch mode
final ProgressBar pb = ij.getProgressBar();
if (pb != null) {
final double lo = min();
final double hi = max();
pb.show(lo + percent * (hi - lo));
if (enforce()) {
final Graphics gx = pb.getGraphics();
if (gx != null) pb.paint(gx); // Enforces a refresh also when called from event stack
}
}
}
}
}
