svoid g22_renderPosterizedHighlightedImage(ImageSurface isPosterized, Gazelle22_ImageToRegions itr, bool showRegionsAsOutline) {
  if (isPosterized == null) ret;
  
  var mouse = mouseLocationPt();
  if (!isScreenCoordinateInWindow(mouse, isPosterized)) {
    var mouse2 = itr.coordinatesFromScreen(mouse);
    //printVars(+mouse, +mouse2);
    mouse = mouse2;
  } else
    mouse = isPosterized.mousePosition;
    
  var pixels = itr.posterized.getRGBPixels();
  g22_highlightRegion(pixels, isPosterized, itr, mouse, showRegionsAsOutline);
  
  if (itr.scoredRegions != null)
    for (IImageRegion region, double score : itr.scoredRegions) {
      if (score >= .5) {
        int color = colorToIntOpaque(blendColors(lightBlue(), Color.blue, (score-.5)*2));
        g22_highlightRegion(pixels, itr, region.indexInCreator(), color, false);
      }
    }
    
  isPosterized.setImage(bufferedImage(pixels, itr.posterized));
}