コード例 #1
0
  private Icon makeIcon(final String gifFile) throws IOException {
    /* Copy resource into a byte array.  This is
     * necessary because several browsers consider
     * Class.getResource a security risk because it
     * can be used to load additional classes.
     * Class.getResourceAsStream just returns raw
     * bytes, which we can convert to an image.
     */
    InputStream resource = MyImageView.class.getResourceAsStream(gifFile);

    if (resource == null) {
      System.err.println(MyImageView.class.getName() + "/" + gifFile + " not found!!.");
      return null;
    }
    BufferedInputStream in = new BufferedInputStream(resource);
    ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
    byte[] buffer = new byte[1024];
    int n;
    while ((n = in.read(buffer)) > 0) {
      out.write(buffer, 0, n);
    }
    in.close();
    out.flush();

    buffer = out.toByteArray();
    if (buffer.length == 0) {
      System.err.println("warning: " + gifFile + " is zero-length");
      return null;
    }
    return new ImageIcon(buffer);
  }
コード例 #2
0
 public Transferable createTransferable(Drawing drawing, java.util.List<Figure> figures, double scaleFactor) throws IOException {
     ByteArrayOutputStream buf = new ByteArrayOutputStream();
     write(buf, figures);
     return new InputStreamTransferable(new DataFlavor("text/html", "HTML Image Map"), buf.toByteArray());
 }