!include once #1013490 // sarxos webcam [include]

// allow camera warm-up (light adjustment)
static double singleImageFromWebcam_delayBeforeShoot = 1;


// take first webcam, open & close
static BufferedImage singleImageFromWebcam() {
  ret singleImageFromWebcam(first(listWebCams()), true);
}

static BufferedImage singleImageFromWebcam(Webcam webcam, bool openAndClose) {
  if (webcam == null) null;
  if (openAndClose) webcam.open(true);
  
  if (singleImageFromWebcam_delayBeforeShoot > 0) {
    print("Camera warm-up (" + formatDouble(singleImageFromWebcam_delayBeforeShoot, 1) + " seconds)");
    sleepSeconds(singleImageFromWebcam_delayBeforeShoot);
  }
  
  try {
    print("Grabbing image");
    BufferedImage img = webcam.getImage();
    print("Got image");
    ret img;
  } finally {
    if (openAndClose) webcam.close();
  }
}