Esempio n. 1
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 public BufferedImage getImage(final Rendition rendition, final Dimension dim) throws IOException {
   final Asset asset = rendition.getAsset();
   final byte[] picture = (byte[]) extractMetadata(asset).getProperty(META_KEY_THUMBNAIL);
   // if we have an embedded image
   if (picture != null) {
     return new Layer(new ByteArrayInputStream(picture), dim).getImage();
   }
   // according to the spec, a thumbnail representation of a document should be generated by
   // default when the
   // file is saved.
   log.warn("Failed to retrieve thumbnail for {}", asset.getPath());
   return null;
 }
Esempio n. 2
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  public BufferedImage getImage(final Rendition rendition) throws IOException {
    ExtractedMetadata metadata = extractMetadata(rendition.getAsset());
    String text = (String) metadata.getMetaDataProperty("Content");

    if (text != null && text.length() > 0) {
      // create text layer
      final Layer layer = new Layer(500, 600, Color.WHITE);
      layer.setPaint(Color.black);
      Font font = new Font("Arial", 12);
      String displayText = getDisplayText(text, 600, 12);
      layer.drawText(10, 10, 500, 600, displayText, font, Font.ALIGN_LEFT, 0, 0);
      layer.crop(new Rectangle(510, 600));

      return layer.getImage();
    } else {
      return null;
    }
  }