Esempio n. 1
0
  /**
   * Creates new webcam panel which display image from camera in you your
   * Swing application. If panel size argument is null, then image size will
   * be used. If you would like to fill panel area with image even if its size
   * is different, then you can use {@link #setFillArea(boolean)) method to
   * configure this.
   *
   * @param webcam the webcam to be used to fetch images
   * @param size the size of panel
   * @param start true if webcam shall be automatically started
   * @see WebcamPanel#setFillArea(boolean)
   */
  public WebcamPanel(Webcam webcam, Dimension size, boolean start) {

    if (webcam == null) {
      throw new IllegalArgumentException(
          String.format(
              "Webcam argument in %s constructor cannot be null!", getClass().getSimpleName()));
    }

    this.webcam = webcam;
    this.webcam.addWebcamListener(this);

    repainter.setName(String.format("%s-repainter", webcam.getName()));

    if (size == null) {
      setPreferredSize(webcam.getViewSize());
    } else {
      setPreferredSize(size);
    }

    if (start) {
      if (!webcam.isOpen()) {
        webcam.open();
      }
      repainter.start();
    }
  }
Esempio n. 2
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 @Override
 public void webcamClosed(WebcamEvent we) {
   if (repainter != null) {
     if (repainter.isAlive()) {
       try {
         repainter.join(1000);
       } catch (InterruptedException e) {
         throw new WebcamException("Thread interrupted", e);
       }
     }
     repainter = null;
   }
 }
Esempio n. 3
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 @Override
 public void webcamOpen(WebcamEvent we) {
   if (repainter == null) {
     repainter = new Repainter();
     repainter.start();
   }
   setPreferredSize(webcam.getViewSize());
 }
Esempio n. 4
0
  /** Open webcam and start rendering. */
  public void start() {
    if (started.compareAndSet(false, true)) {

      starting = true;

      if (repainter == null) {
        repainter = new Repainter();
      }

      repainter.start();
      webcam.open();
      starting = false;
    }
  }