示例#1
0
  public BufferedImageRaster(int width, int height, int transparency, Sector sector) {
    super(width, height, sector);

    if (width < 1) {
      String message = Logging.getMessage("generic.InvalidWidth", width);
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }
    if (height < 1) {
      String message = Logging.getMessage("generic.InvalidHeight", height);
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }

    this.bufferedImage = ImageUtil.createCompatibleImage(width, height, transparency);
  }
  @Override
  public BufferedImage composeImageForSector(
      Sector sector,
      int canvasWidth,
      int canvasHeight,
      double aspectRatio,
      int levelNumber,
      String mimeType,
      boolean abortOnError,
      BufferedImage image,
      int timeout)
      throws Exception {
    if (sector == null) {
      String message = Logging.getMessage("nullValue.SectorIsNull");
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }

    ComposeImageTile tile =
        new ComposeImageTile(
            sector, mimeType, this.getLevels().getLastLevel(), canvasWidth, canvasHeight);
    try {
      if (image == null)
        image = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_RGB);

      downloadImage(tile, mimeType, timeout);
      Thread.sleep(1); // generates InterruptedException if thread has been interupted

      BufferedImage tileImage = ImageIO.read(tile.getFile());
      Thread.sleep(1); // generates InterruptedException if thread has been interupted

      ImageUtil.mergeImage(sector, tile.getSector(), aspectRatio, tileImage, image);
      Thread.sleep(1); // generates InterruptedException if thread has been interupted

      this.firePropertyChange(AVKey.PROGRESS, 0d, 1d);
    } catch (InterruptedIOException e) {
      throw e;
    } catch (Exception e) {
      if (abortOnError) throw e;

      String message = Logging.getMessage("generic.ExceptionWhileRequestingImage", tile.getPath());
      Logging.logger().log(java.util.logging.Level.WARNING, message, e);
    }

    return image;
  }