<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_84fu21c4fbvk9gh3knflj6h17e, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static BWIntegralImage blendBWIntegralImages(Cl<IIntegralImage> images) {
  if (empty(images)) null;
  var img1 = first(images);
  int nImages = l(images);
  int w = img1.getWidth(), h = img1.getHeight(), n = w*h;
  double[] pixels = new[w*h];
  for (var img : images) {
    int i = 0;
    for y to h:
      for x to w:
        pixels[i++] += img.getPixel(x, y);
  }
  
  byte[] bytes = new[n];
  double inv = 1.0/nImages;
  for i to n: bytes[i] = clampToUByte(iround(pixels[i]*inv));
  
  ret new BWIntegralImage(BWImage(w, h, bytes));
}