Bug 123044 Preview attached file in PDF and the page break in the first item didn't happen.
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
import com.lowagie.text.pdf.PdfWriter;
/**
 * used to output the area tree in PDF file.
 * 
 * the objects passed in must be formated. Any unformated object
 * will be discarded.
 * 
 * @version $Revision$ $Date$
 */
public class PDFEmitter implements IAreaVisitor
{
	/**
	 * the default output pdf file name
	 */
	public static final String REPORT_FILE = "Report.pdf"; 
	
	/**
	 * the default image folder
	 */
	public static final String IMAGE_FOLDER = "image"; 
	
	/**
	 * the output stream
	 */
	private OutputStream output = null;
	
	/**
	 * the emitter configturation
	 */