Пример #1
0
 /**
  * Updates the metadata information based on the parameters to this writer.
  *
  * @param meta the metadata
  * @param params the parameters
  * @return the updated metadata
  */
 protected IIOMetadata updateMetadata(IIOMetadata meta, ImageWriterParams params) {
   final String stdmeta = "javax_imageio_1.0";
   if (meta.isStandardMetadataFormatSupported()) {
     IIOMetadataNode root = (IIOMetadataNode) meta.getAsTree(stdmeta);
     IIOMetadataNode dim = getChildNode(root, "Dimension");
     IIOMetadataNode child;
     if (params.getResolution() != null) {
       child = getChildNode(dim, "HorizontalPixelSize");
       if (child == null) {
         child = new IIOMetadataNode("HorizontalPixelSize");
         dim.appendChild(child);
       }
       child.setAttribute("value", Double.toString(params.getResolution().doubleValue() / 25.4));
       child = getChildNode(dim, "VerticalPixelSize");
       if (child == null) {
         child = new IIOMetadataNode("VerticalPixelSize");
         dim.appendChild(child);
       }
       child.setAttribute("value", Double.toString(params.getResolution().doubleValue() / 25.4));
     }
     try {
       meta.mergeTree(stdmeta, root);
     } catch (IIOInvalidTreeException e) {
       throw new RuntimeException("Cannot update image metadata: " + e.getMessage());
     }
   }
   return meta;
 }
Пример #2
0
  /**
   * Merges <code>inData</code> into <code>outData</code>. The supplied metadata format name is
   * attempted first and failing that the standard metadata format name is attempted.
   */
  private void convertMetadata(String metadataFormatName, IIOMetadata inData, IIOMetadata outData) {
    String formatName = null;

    String nativeFormatName = inData.getNativeMetadataFormatName();
    if (nativeFormatName != null && nativeFormatName.equals(metadataFormatName)) {
      formatName = metadataFormatName;
    } else {
      String[] extraFormatNames = inData.getExtraMetadataFormatNames();

      if (extraFormatNames != null) {
        for (int i = 0; i < extraFormatNames.length; i++) {
          if (extraFormatNames[i].equals(metadataFormatName)) {
            formatName = metadataFormatName;
            break;
          }
        }
      }
    }

    if (formatName == null && inData.isStandardMetadataFormatSupported()) {
      formatName = STANDARD_METADATA_NAME;
    }

    if (formatName != null) {
      try {
        Node root = inData.getAsTree(formatName);
        outData.mergeTree(formatName, root);
      } catch (IIOInvalidTreeException e) {
        // ignore
      }
    }
  }