docs: public int getWidth() {
          if (format == ImageFormat.GIF && streamMetadata != null) {
              Node screenDescNode = NodeUtils.getChild(streamMetadata, "LogicalScreenDescriptor");
              if (screenDescNode != null) {
                  return NodeUtils.getIntAttr(screenDescNode, "logicalScreenWidth");
              }
          }
  
          return getWidth(0);
      }