please include function showImageWithSelections.

static float showImageWithSelections_darkening = 0.75f;

static ImageSurface showImageWithRecognizedTexts(BufferedImage img, ImageSurface _is, final L<RecognizedText> rects) {
  final ImageSurface is = showImage(img, _is);
  is.specialPurposed = true;
  final new Var<Rect> highlighted;
  showImageWithSelections_highlighted = highlighted;
  is.overlay = voidfunc(Graphics2D g) {
    fillRect(g, 0, 0, is.getWidth(), is.getHeight(), colorWithAlpha(Color.black, showImageWithSelections_darkening));
    antiAliasOn(g);
    g.scale(is.zoomX, is.zoomY);
    Font font = g.getFont().deriveFont(12);
    g.setFont(font);
    FontMetrics fm = g.getFontMetrics();
    for (RecognizedText r : rects) {
      is.drawSelectionRect(g, r.r.getRectangle(), Color.blue, blendColor(Color.black, Color.white, r.score()));
      
      Pt p = centerTextInRect(fm, r.text!, r.r);
      // Pt p = pt(r.r.x+2, r.r.y+2);
      drawTextWithOutline(g, r.text!, p.x, p.y, Color.white, Color.black);
    }
    if (highlighted.has())
      fillRect(g, scaleRect(highlighted!, is.getZoomX(), is.getZoomY()), new Color(0, 0, 0, 0x30)); // semi-transparent black
  };
  imageSurfaceOnMouseMove(is, voidfunc(Pt p) {
    repaintIf(is, setVarIfNeq(highlighted, smallestRectContaining(collect(rects, 'r), p)));
  });
  showImageWithRecognizedTexts_makeTeachable(is, rects, changeExtension(f, ".expected"));
  
  ret repaint(is);
}

svoid showImageWithRecognizedTexts_makeTeachable(ImageSurface is, final L<RecognizedText> lines, final File outFile) {
  onImageSurfaceHighlightChange(is, voidfunc(Rect r) {
    RecognizedText rec = findByField(lines, +r);
    setToolTip(is, rec == null ? null : str(rec.text));
  });
  
  imageSurfacePopupMenuWhenHighlighted_top(is, voidfunc(JPopupMenu menu, final Rect r) {
    addPopupMenuItem(menu, "OK", r {
      RecognizedText rec = findByField(lines, +r);
      appendToTextFile_uniq(outFile,
        struct(ll(rec.text!, rec.r)));
    });
    addSeparator(menu);
  });
}