<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_0lv7bqb97lo92hcjmc6sbn1npj, 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 />
!7

static RGB destColor = rgb("#5650C3");
static float contrast = 5f;
static float gamma = 0.5f;

p {
  RGBImage img = shootScreen();
  int w = img.getWidth(), h = img.getHeight();
  BWImage bw = new BWImage(w, h);
  int destColorInt = destColor.getInt();
  for y to h: for x to w: {
    float diff = rgbDiff(img.getInt(x, y), destColorInt);
    //diff = pow(diff, gamma);
    //diff *= contrast;
    diff = (diff-0.2)*10;
    bw.setPixel(x, y, diff);
  }
  showBWImage(bw);
}