// adapted for Java from https://codepen.io/tculda/pen/pogwpOw

sclass MultiPointGradient is MakesBufferedImage {

  LPair<DoublePt, Color> gradientPoints;

  int w, h;

  int[] pixels;

  double[] gradientPointArray;

  Color[] colors;

  bool hasRun;

  *(LPair<DoublePt, Color> *gradientPoints, int *w, int *h) {}

  *(int *w, int *h, LPair<DoublePt, Color> *gradientPoints) {}

  public int getWidth() { ret w; }

  public int getHeight() { ret h; }

  public BufferedImage getBufferedImage() {

    this.run();

    ret intArrayToBufferedImageWithoutAlpha(pixels, w, h);

  }

  void init {

    if (pixels == null) pixels = new int[w*h];

    if (gradientPointArray == null)

      gradientPointArray = doublePtsToDoubleArray(pairsA(gradientPoints));

    if (colors == null)

      colors = toArray Color(pairsB(gradientPoints));

  }

  run {

    if (hasRun) ret;

    set hasRun;

    init();

    int n = l(colors);

    double[] colorRatios = new[n];

    int iPixel = 0;

    for y to h:

      for x to w: {

        fillArray(colorRatios, 1);

        for i to n:

          for j to n:

          if (i != j) {

            var d = getProjectionDistance2(

              gradientPointArray[i*2], gradientPointArray[i*2+1],

              gradientPointArray[j*2], gradientPointArray[j*2+1],

              x, y);

            colorRatios[i] *= clampZeroToOne(d);

          }

        pixels[iPixel++] = blendMultipleColorsToInt(colors, colorRatios);

      }

  }

}

do not include function getWidth.

do not include function getHeight.

do not include function get.

do not include function set.

!include early #1034869 // Include for exporting Java code