srecord noeq G22VisualizeMeshes(WidthAndHeight originalImage, L<G22Mesh> meshes) {
  delegate Anchor, Curve to G22Mesh.
  
  // can also include alpha
  settable Color anchorColor = withAlpha(0.5, Color.red);
  settable int anchorSize = 5;
  
  // can also include alpha
  settable Color curveColor = Color.blue;
  
  BufferedImage get() {
    var markedImage = whiteImage(imageSize(originalImage));
    drawOn(createGraphics(markedImage));
    ret markedImage;
  }
  
  void drawOn(Graphics2D g) {
    for (mesh : meshes)
      for (curve : mesh.curves())
        drawCurve(g, curve);

    for (mesh : meshes)
      for (p : mesh.anchorPts())
        drawAnchor(g, p);
  }
  
  void drawCurve(Graphics2D g, Curve curve) {
    drawPixels(g, curve.path().pointIterator(), curveColor);
  }

  void drawAnchor(Graphics2D g, Pt p) {
    fillRect(g, p.x-anchorSize/2, p.y-anchorSize/2,
      anchorSize, anchorSize, anchorColor);
  }
}