// from: https://stackoverflow.com/questions/14416107/int-array-to-bufferedimage
// pixels are RGB pixels
static BufferedImage intArrayToBufferedImageWithoutAlpha(int[] pixels, int w, int h) {
  int[] bitMasks = {0xFF0000, 0xFF00, 0xFF};
  SinglePixelPackedSampleModel sm = new(DataBuffer.TYPE_INT, w, h, bitMasks);
  DataBufferInt db = new(pixels, pixels.length);
  WritableRaster wr = Raster.createWritableRaster(sm, db, new Point);
  DirectColorModel cm = new (24, bitMasks[0], bitMasks[1], bitMasks[2], 0);
  ret new BufferedImage(cm, wr, false, null);
}