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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_vtvev975dm5g1apnr1q75okmr4, 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 />
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<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 />
srecord noeq HashBWImage(BWImage img) {
  long hash;
  
  long get() {
    if (img == null) ret hash;
    
    int w = img.getWidth(), h = img.getHeight();
    int n = w*h;
    byte[] pixels = img.pixels;

    addToHash(w);
    addToHash(h);
    
    for i to n:
      addToHash(0xFF000000 | rgbIntFromGrayscale(ubyteToInt(pixels[i])));

    ret hash;
  }
  
  void addToHash(long x) {
    hash = boostHashCombine64(hash, x);
    printVars ifdef HashBWImage_debug(x := longToHex(x), +hash);
  }
}