sclass Stripes implements MakesBufferedImage {

  int w, h;

  double angle; // radians

  new L<Color> colors;

  new DoubleList positionsInDirection;

  new L<DoublePt> pixelPositions;

  *() {}

  *(int *w, int *h, double *angle, DoubleList *positionsInDirection) {}

  *(int *w, int *h, double *angle, DoubleList *positionsInDirection, L<Color> *colors) {}

  public int getWidth() { ret w; }

  public int getHeight() { ret h; }

  public BufferedImage getBufferedImage() {

    var img = newBufferedImage(w, h, first(colors));

    var g = graphics(img);

    translateGraphics(g, w*.5, h*.5);

    rotateGraphicsClockwise_radians(g, angle);

    double bigNumber = (w+h)*2;

    int n = numberOfStripes()-1;

    for (int i = 0; i < n; i++) {

      double x1 = positionsInDirection.get(i);

      double x2 = getOr(positionsInDirection, i+1, bigNumber);

      Color color1 = or(cyclicGet(colors, i+1), Color.black);

      /*Color color2 = or(cyclicGet(colors, i+1), Color.white);

      if (eq(color1, color2))*/

        g.setColor(color1);

      /*else

        g.setPaint(new GradientPaint((float) x1, 0, color1, (float) x2, 0, color2));*/

      fillPrecisePolygon(g, ll(doublePt(x1, -bigNumber), doublePt(x2, -bigNumber),

        doublePt(x2, bigNumber), doublePt(x1, bigNumber)));

    }

    ret img;

  }

  int numberOfStripes() { ret l(positionsInDirection)+1; }

}